Hex socket flat head cap screw (Countersunk Cap Screw) (New JIS)
Brand :
NISSAN SCREW
Caution
Product Description
[Detailed shape] Flat head
[Thread ridge type] Metric coarse
[Usage] Standard
[Nominal designation (M)] 3 4 5 6 8 10 12 16 20
[Pitch (mm)] 0.5 0.7 0.8 1 1.25 1.5 1.75 2 2.5
[Material] Stainless steel
[Surface treatment] None black oxide coating trivalent chromate trivalent black, trivalent white, bright chromate plating, chromate plating, bright chromate plating, nickel plating, black nickel, tin cobalt
[Sales unit] Loose (can be purchased individually) box / pack
[Thread type] Full-thread, half-thread
Product Overview
Top external shape drawing
Drawing
Unit: mm
| Nominal Diameter M | 3 | 4 | 5 | |
|---|---|---|---|---|
| Pitch P | 0.5 | 0.7 | 0.8 | |
| b | Reference | 18 | 20 | 22 |
| ⌀ds | Maximum | 3 | 4 | 5 |
| Minimum | 2.86 | 3.82 | 4.82 | |
| ⌀dk | Theoretical dimension Max. | 6.72 | 8.96 | 11.20 |
| Actual dimension Minimum | 5.54 | 7.53 | 9.43 | |
| k | Maximum | 1.86 | 2.48 | 3.10 |
| s | Nominal | 2 | 2.5 | 3 |
| Maximum | 2.080 | 2.580 | 3.080 | |
| Minimum | 2.020 | 2.520 | 3.020 | |
| t | Minimum | 1.1 | 1.5 | 1.9 |
| w | Minimum | 0.25 | 0.45 | 0.66 |
| Fully-Threaded | Maximum | 25 | 25 | 30 |
| r | Minimum | 0.1 | 0.2 | 0.2 |
| e | Minimum | 2.303 | 2.873 | 3.443 |