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Hex socket head cap screw, fine【1-1,000 Pieces Per Package】 (Part Numbers)

Hex socket head cap screw, fine

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  • Volume Discount

[Materials] SCM SUS304 equivalent
[Surface treatment] None, black iron oxide coating, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, chromate plating, black chromate, nickel plating, chrome plating, tin cobalt.

(i)Caution

  • This product image is a representative image. For details, see the product standard.

Drawing

Specifications Table

Material: Except stainless steel
Nominal thread size (d)Pitch (p)bdkdsekstw
ReferenceMaximum (reference dimension)MaximumMinimumMaximum (reference dimension)MinimumMinimumMaximum (reference dimension)MinimumNominal (reference dimension)MinimumMinimum
M40.52077.226.7843.823.4443.82321.4
M50.5228.58.728.2854.824.5854.8242.51.9
M60.75241010.229.7865.825.7265.70532.3
M81.0281313.2712.7387.786.8687.64643.3
M101.25321616.2715.73109.789.15109.64854
M121.25361818.2717.731211.7311.431211.571064.8
M141.5402121.3320.671413.7313.721413.571275.8
M161.5442424.3323.671615.7316.001615.571486.8
M181.5482727.3326.671817.73161817.571497.7
M201.5523030.3329.672019.6719.4372019.4817108.6
M221.5563333.3932.612221.6719.442221.4817119.5
M242.0603636.3935.612423.6721.7342423.48191210.4
M272.0664040.3939.612726.6721.732726.481913.512.1
M302.0724545.3944.613029.6725.1543029.482215.513.1
M363.0845454.4653.543635.6130.8543635.38271915.3
M423.0966363.4662.544241.6136.5714241.38322416.3
Part Number
CSHH-ST-MS48-90
CSHH-ST-MS48-100
CSHH-ST-MS48-110
CSHH-ST-MS48-120
CSHH-ST-MS48-130
CSHH-ST-MS48-150
CSHH-ST-MS48-160
CSHH-ST-MS48-170
CSHH-ST-MS48-180
CSHH-ST-MS48-190
CSHH-ST-MS48-200
CSHH-ST-MS48-210
CSHH-ST-MS48-220
CSHH-ST-MS48-230
CSHH-STC-MS8-10
CSHH-STC-MS8-15
CSHH-STC-MS8-35
CSHH-STC-MS10-15
CSHH-STC-MS10-18
CSHH-STC-MS10-20
CSHH-STC-MS10-25
CSHH-STC-MS10-30
CSHH-STC-MS10-35
CSHH-STC-MS10-40
CSHH-STC-MS10-50
CSHH-STC-MS10-65
CSHH-STC-MS10-70
CSHH-STC-MS12-20
CSHH-STC-MS12-25
CSHH-STC-MS12-30
CSHH-STC-MS12-35
CSHH-STC-MS12-40
CSHH-STC-MS12-45
CSHH-STC-MS12-50
CSHH-STC-MS12-55
CSHH-STC-MS12-60
CSHH-STC-MS12-65
CSHH-STC-MS12-75
CSHH-STC-MS12-90
CSHH-STC-MS12-100
CSHH-STC-MS14-40
CSHH-STC-MS14-45
CSHH-STC-MS14-50
CSHH-STC-MS14-55
CSHH-STC-MS14-60
CSHH-STC-MS16-35
CSHH-STC-MS16-40
CSHH-STC-MS16-50
CSHH-STCB-MS10-30
CSHH-STGSC-MS10-25
CSHH-STGSC-MS10-35
CSHH-STGSC-MS10-40
CSHH-STGSC-MS10-65
CSHH-STGSC-MS10-70
CSHH-STGSC-MS12-60
CSHH-STGSC-MS12-80
CSHH-STH-MS10-20
CSHH-STH-MS10-25
CSHH-STH-MS10-100
CSHH-STN-MS10-20
CSHH-STN-MS10-25
CSHH-STN-MS10-30
CSHH-STN-MS10-35
CSHH-STN-MS10-40
CSHH-STN-MS10-50
CSHH-STN-MS10-60
CSHH-STN-MS10-70
CSHH-STN-MS12-30
CSHH-STN-MS12-35
CSHH-STN-MS12-45
CSHH-STN-MS12-60
CSHH-STU-MS8-14
CSHH-STU-MS8-15
CSHH-STU-MS8-16
CSHH-STU-MS8-18
CSHH-STU-MS8-25
CSHH-STU-MS8-30
CSHH-STU-MS8-35
CSHH-STU-MS8-40
CSHH-STU-MS8-45
CSHH-STU-MS8-50
CSHH-STU-MS10-15
CSHH-STU-MS10-16
CSHH-STU-MS10-18
CSHH-STU-MS10-20
CSHH-STU-MS10-25
CSHH-STU-MS10-30
CSHH-STU-MS10-35
CSHH-STU-MS10-40
CSHH-STU-MS10-45
Part NumberStandard Unit PriceNumber of pc(s). included in pkg.Minimum order quantityVolume DiscountDays to ShipRoHSNominal of Thread (M) Length L (mm) Material SurfaceTreatment Pitch
(mm)
Screw Type Strength Class (Steel) Sales Unit Strength Class (Stainless Steel) Application Screw M Diameter Size (× Notation)
(mm)
Size (- Notation)
(mm)
Standard Name (Material)

MYR 240.33

1 Piece(s)Available 10 Day(s) or more -4890[Steel] SteelBlack oxide coating3Complete thread10.9Low Quantity (can be purchased from one)--M48M48X90M48-90Steel

MYR 265.41

1 Piece(s)Available 10 Day(s) or more -48100[Steel] SteelBlack oxide coating3Complete thread10.9Low Quantity (can be purchased from one)--M48M48X100M48-100Steel

MYR 278.48

1 Piece(s)Available 10 Day(s) or more -48110[Steel] SteelBlack oxide coating3Complete thread10.9Low Quantity (can be purchased from one)--M48M48X110M48-110Steel

MYR 293.41

1 Piece(s)Available 10 Day(s) or more -48120[Steel] SteelBlack oxide coating3Complete thread10.9Low Quantity (can be purchased from one)--M48M48X120M48-120Steel

MYR 381.90

1 Piece(s)Available 10 Day(s) or more -48130[Steel] SteelBlack oxide coating3Complete thread10.9Low Quantity (can be purchased from one)--M48M48X130M48-130Steel

MYR 419.04

1 Piece(s)Available 10 Day(s) or more -48150[Steel] SteelBlack oxide coating3Complete thread10.9Low Quantity (can be purchased from one)--M48M48X150M48-150Steel

MYR 437.61

1 Piece(s)Available 10 Day(s) or more -48160[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X160M48-160Steel

MYR 456.12

1 Piece(s)Available 10 Day(s) or more -48170[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X170M48-170Steel

MYR 474.83

1 Piece(s)Available 10 Day(s) or more -48180[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X180M48-180Steel

MYR 493.40

1 Piece(s)Available 10 Day(s) or more -48190[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X190M48-190Steel

MYR 511.92

1 Piece(s)Available 10 Day(s) or more -48200[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X200M48-200Steel

MYR 527.06

1 Piece(s)Available 10 Day(s) or more -48210[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X210M48-210Steel

MYR 545.68

1 Piece(s)Available 10 Day(s) or more -48220[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X220M48-220Steel

MYR 564.19

1 Piece(s)Available 10 Day(s) or more -48230[Steel] SteelBlack oxide coating3Half Thread10.9Low Quantity (can be purchased from one)--M48M48X230M48-230Steel

MYR 483.23

200 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more -810[Steel] SCM[Chromate Plating] Chromate Plating1Complete thread10.9Box/package-Standard----

MYR 599.89

200 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more -815[Steel] SCM[Chromate Plating] Chromate Plating1Complete thread10.9Box/package-Standard----

MYR 297.81

100 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more -835[Steel] SCM[Chromate Plating] Chromate Plating1Complete thread10.9Box/package-Standard----

MYR 266.68

100 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more -1015[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Box/package-Standard----

MYR 4.05

1 Piece(s)Available 5 Day(s) or more -1018[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.08

1 Piece(s)Available 5 Day(s) or more -1020[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.38

1 Piece(s)Available 5 Day(s) or more -1025[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.74

1 Piece(s)Available 5 Day(s) or more -1030[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 5.19

1 Piece(s)Available 5 Day(s) or more -1035[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 5.61

1 Piece(s)Available 5 Day(s) or more -1040[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 276.57

80 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more -1050[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread10.9Box/package-Standard----

MYR 274.70

60 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more -1065[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread10.9Box/package-Standard----

MYR 300.62

60 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more -1070[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread10.9Box/package-Standard----

MYR 6.45

1 Piece(s)Available 5 Day(s) or more -1220[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 7.02

1 Piece(s)Available 5 Day(s) or more -1225[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 7.34

1 Piece(s)Available 5 Day(s) or more -1230[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 8.08

1 Piece(s) 5 Day(s) or more -1235[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 8.53

1 Piece(s)Available 5 Day(s) or more -1240[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 9.16

1 Piece(s)Available 5 Day(s) or more -1245[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 320.11

60 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more -1250[Steel] SCM[Chromate Plating] Chromate Plating1.25Complete thread-Box/package-Standard----

MYR 357.36

50 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more -1255[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread10.9Box/package-Standard----

MYR 12.02

1 Piece(s)Available 5 Day(s) or more -1260[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 13.37

1 Piece(s)Available 5 Day(s) or more -1265[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 395.57

40 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more -1275[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread-Box/package-Standard----

MYR 350.73

35 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more -1290[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread-Box/package-Standard----

MYR 340.68

30 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more -12100[Steel] SCM[Chromate Plating] Chromate Plating1.25Half Thread-Box/package-Standard----

MYR 290.29

40 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1440[Steel] Steel[Chromate Plating] Chromate Plating1.5Complete thread10.9Box/package--M14M14X40M14-40Steel

MYR 303.99

40 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1445[Steel] Steel[Chromate Plating] Chromate Plating1.5Complete thread10.9Box/package--M14M14X45M14-45Steel

MYR 317.74

40 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1450[Steel] Steel[Chromate Plating] Chromate Plating1.5Complete thread10.9Box/package--M14M14X50M14-50Steel

MYR 308.34

35 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1455[Steel] Steel[Chromate Plating] Chromate Plating1.5Complete thread10.9Box/package--M14M14X55M14-55Steel

MYR 342.69

35 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1460[Steel] Steel[Chromate Plating] Chromate Plating1.5Half Thread10.9Box/package--M14M14X60M14-60Steel

MYR 334.72

35 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1635[Steel] Steel[Chromate Plating] Chromate Plating1.5Complete thread10.9Box/package--M16M16X35M16-35Steel

MYR 354.85

35 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1640[Steel] Steel[Chromate Plating] Chromate Plating1.5Complete thread10.9Box/package--M16M16X40M16-40Steel

MYR 348.15

30 Pieces Per Package

1 Pack(s)Available 10 Day(s) or more -1650[Steel] Steel[Chromate Plating] Chromate Plating1.5Complete thread10.9Box/package--M16M16X50M16-50Steel

MYR 5.50

1 Piece(s)Available 5 Day(s) or more -1030[Steel] SCM[Chromate Plating] Black Chromate1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 5.44

1 Piece(s)Available 5 Day(s) or more 101025[Steel] SCM[Tin Plating] Tin cobalt1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 6.45

1 Piece(s)Available 5 Day(s) or more 101035[Steel] SCM[Tin Plating] Tin cobalt1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 7.08

1 Piece(s)Available 5 Day(s) or more 101040[Steel] SCM[Tin Plating] Tin cobalt1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 12.52

1 Piece(s)Available 5 Day(s) or more 101065[Steel] SCM[Tin Plating] Tin cobalt1.25Half Thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 419.62

60 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101070[Steel] SCM[Tin Plating] Tin cobalt1.25Half Thread10.9Box/package-Standard----

MYR 380.29

50 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101260[Steel] SCM[Tin Plating] Tin cobalt1.25Half Thread10.9Box/package-Standard----

MYR 422.49

40 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101280[Steel] SCM[Tin Plating] Tin cobalt1.25Half Thread-Box/package-Standard----

MYR 4.77

1 Piece(s)Available 5 Day(s) or more 101020[Steel] SCM[Chrome Plating] Chrome Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 339.27

100 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more 101025[Steel] SCM[Chrome Plating] Chrome Plating1.25Complete thread10.9Box/package-Standard----

MYR 340.21

40 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 1010100[Steel] SCM[Chrome Plating] Chrome Plating1.25Half Thread-Box/package-Standard----

MYR 235.54

100 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101020[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 252.01

100 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more 101025[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 255.51

100 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more 101030[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 4.51

1 Piece(s)Available 5 Day(s) or more 101035[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 307.28

100 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101040[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 305.73

80 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more 101050[Steel] SCM[Nickel Plating] Nickel Plating1.25Half Thread10.9Box/package-Standard----

MYR 330.57

70 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101060[Steel] SCM[Nickel Plating] Nickel Plating1.25Half Thread10.9Box/package-Standard----

MYR 404.10

60 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more 101070[Steel] SCM[Nickel Plating] Nickel Plating1.25Half Thread10.9--Standard----

MYR 357.59

80 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101230[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 335.62

70 Pieces Per Package

1 Pack(s)Available 5 Day(s) or more 101235[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 333.09

60 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101245[Steel] SCM[Nickel Plating] Nickel Plating1.25Complete thread10.9Box/package-Standard----

MYR 356.86

50 Pieces Per Package

1 Pack(s)Available 13 Day(s) or more 101260[Steel] SCM[Nickel Plating] Nickel Plating1.25Half Thread10.9Box/package-Standard----

MYR 4.38

1 Piece(s) 2 Day(s) or more -814[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.48

1 Piece(s)Available 5 Day(s) or more -815[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.48

1 Piece(s)Available 5 Day(s) or more -816[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.60

1 Piece(s)Available 5 Day(s) or more -818[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.94

1 Piece(s)Available 5 Day(s) or more -825[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 5.33

1 Piece(s)Available 5 Day(s) or more -830[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 5.84

1 Piece(s)Available 5 Day(s) or more -835[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 6.40

1 Piece(s)Available 5 Day(s) or more -840[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Half Thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 6.51

1 Piece(s) 5 Day(s) or more -845[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Half Thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 6.68

1 Piece(s)Available 5 Day(s) or more -850[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1Half Thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.13

1 Piece(s)Available 5 Day(s) or more -1015[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.08

1 Piece(s)Available 5 Day(s) or more -1016[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.05

1 Piece(s)Available 5 Day(s) or more -1018[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.14

1 Piece(s)Available 5 Day(s) or more -1020[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.38

1 Piece(s) 5 Day(s) or more -1025[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.74

1 Piece(s) 5 Day(s) or more -1030[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 4.99

1 Piece(s) 5 Day(s) or more -1035[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 5.61

1 Piece(s) 5 Day(s) or more -1040[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Complete thread10.9Low Quantity (can be purchased from one)-Standard----

MYR 6.10

1 Piece(s)Available 5 Day(s) or more -1045[Steel] SCM[Bright Chrome Plating] Bright Chromate Plating1.25Half Thread10.9Low Quantity (can be purchased from one)-Standard----

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Basic Information

Basic Shape Standard (Round) Mounting Hole Shape Hex Socket Additional Shape Standard
Thread Type Metric fine

Frequently asked question (FAQ)

Question: What is the difference between Metric Coarse and Metric fine?
Answer: Metric Coarse thread screws are suitable for general applications, while fine thread screws are used for applications where high precision and vibration resistance are important.
Question: Can bolts be reused after they have been used once?
Answer: It is recommended to use new bolts.
Question: How does the strength class (10.9/12.9/A2-70) affect the screw’s performance?
Answer: Class 10.9: This class is made of alloy steel, quenched and tempered, with a minimum tensile strength of 1040 MPa, making it suitable for heavy machinery, structural applications.
Class 12.9: This is a high-strength class, also made of alloy steel and quenched and tempered, with a minimum tensile strength of 1220 MPa, it suitable for critical applications requiring extreme strength.
Class A2-70: This stainless-steel class has a higher tensile strength of 700 MPa compared to A2-50, providing greater mechanical strength while maintaining good corrosion resistance, suitable for more demanding applications. Each strength grade should be selected according to specific applications and environmental conditions. Choosing the appropriate strength grade allows the bolt to perform optimally and ensures safety.

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