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The hexagon socket head cap screw (cap bolt) has a hexagonal hole in the cylindrical head.
[Features]
・Uses a hexagon wrench for tightening. Also called a cap screw or socket screw.
・Since the hexagon wrench can be used only for the size, strong tightening is possible without breaking the bolts.
・[Nominal M] 2, 3, 4, 5, 6, 8, 10, 12, 14, 16, 18, 20, 22, 24
・[Material] Steel
・[Surface Processing] None, Trivalent White, Bright Chromate Plating

Hex Socket Head Cap Screw (Cap Screw), External Appearance

Hex Socket Head Cap Screw (Cap Screw), Dimensional Drawing Unit: mm
| Nominal thread size (d) | M3 | M4 | M5 | M6 | M8 | M10 | M12 | M14 | M16 | M18 | M20 | M22 | M24 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Thread Pitch (P) | 0.5 | 0.7 | 0.8 | 1.0 | 1.25 | 1.5 | 1.75 | 2.0 | 2.0 | 2.5 | 2.5 | 2.5 | 3.0 | |
| b | Reference | 18 | 20 | 22 | 24 | 28 | 32 | 36 | 40 | 44 | 48 | 52 | 56 | 60 |
| dk | Maximum | 5.68 | 7.22 | 8.72 | 10.22 | 13.27 | 16.27 | 18.27 | 21.33 | 24.33 | 27.33 | 30.33 | 33.39 | 36.39 |
| Minimum | 5.32 | 6.78 | 8.28 | 9.78 | 12.73 | 15.73 | 17.73 | 20.67 | 23.67 | 26.67 | 29.67 | 32.61 | 35.61 | |
| DA | Maximum | 3.60 | 4.70 | 5.70 | 6.80 | 9.20 | 11.2 | 13.7 | 15.7 | 17.7 | 20.2 | 22.4 | 24.4 | 26.4 |
| ds | Maximum | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| Minimum | 2.86 | 3.82 | 4.82 | 5.82 | 7.78 | 9.78 | 11.73 | 13.73 | 15.73 | 17.73 | 19.67 | 21.67 | 23.67 | |
| k | Maximum | 3 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 16 | 18 | 20 | 22 | 24 |
| Minimum | 2.86 | 3.82 | 4.82 | 5.70 | 7.64 | 9.64 | 11.57 | 13.57 | 15.57 | 17.57 | 19.48 | 21.48 | 23.48 | |
| r | Minimum | 0.1 | 0.2 | 0.2 | 0.25 | 0.4 | 0.4 | 0.6 | 0.6 | 0.6 | 0.6 | 0.8 | 0.8 | 0.8 |
| S | Nominal dimensions | 2.5 | 3.0 | 4.0 | 5.0 | 6.0 | 8.0 | 10.0 | 12.0 | 14.0 | 14.0 | 17.0 | 17.0 | 19.0 |
| Maximum | 2.58 | 3.08 | 4.095 | 5.14 | 6.14 | 8.175 | 10.175 | 12.212 | 14.212 | 14.212 | 17.23 | 17.23 | 19.275 | |
| Minimum | 2.52 | 3.02 | 4.02 | 5.02 | 6.02 | 8.025 | 10.025 | 12.032 | 14.032 | 14.032 | 17.05 | 17.05 | 19.065 | |
| t | Minimum | 1.3 | 2 | 2.5 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 |
| v | Maximum | 0.3 | 0.4 | 0.5 | 0.6 | 0.8 | 1.0 | 1.2 | 1.4 | 1.6 | 1.8 | 2.0 | 2.2 | 2.4 |
unit: mm
Material: Steel
| Part Number |
|---|
| Part Number | Minimum order quantity | Volume Discount | Days to Ship | RoHS | Nominal of Thread (M) | Length L (mm) | SurfaceTreatment | Pitch (mm) | Screw Type | Strength Class (Steel) | Sales Unit | Screw M Diameter | Size (× Notation) (mm) | Size (- Notation) (mm) | Standard Name (Material) |
|---|
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| Material | Steel | Basic Shape | Standard (Round) | Mounting Hole Shape | Hex Socket |
|---|---|---|---|---|---|
| Additional Shape | Standard | Thread Type | Metric coarse |

NISSEI SEIKO
Standard Price : MYR 0.80-
Days to Ship : 2 Day(s) or more

SUNCO
Standard Price : MYR 0.26-
Days to Ship : 5 Day(s) or more


![Hexagon Socket Bolt (Cap Screw) [NBI], by Nippon Byora Industry Co., Ltd.](http://my.misumi-ec.com/linked/material/mech/SA11/PHOTO/221005681454.jpg?$product_recommend_b$)
SUNCO
Standard Price : MYR 1.12-
Days to Ship : 5 Day(s) or more

HIKARI SEIKO
Standard Price : MYR 1.53-
Days to Ship : 5 Day(s) or more

NABEYA BI-TECH
Standard Price : MYR 44.43-
Days to Ship : 5 Day(s) or more
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