Cross-Recessed Countersunk Head Machine Screw, Small Head
Caution
- Since the film thickness of hot zinc plating is very thick, please select products with the same surface treatment on the other side.
- This product image is a representative image. For details, see the product standard.
*"Other special treatment" of surface treatment has the following specifications.
3W-ZEC: ZEC Coat-Trivalent Base White
3B-ZEC：ZEC Coat-Trivalent Base Black
AEN：ZEC Coat-Substrate Zinc Plating
Product Description
[Materials] SWCH equivalent, SUS304 equivalent, titanium, and brass
[Specifications] None, non-chrome black, trivalent chromate, non-chrome plating white, trivalent black, trivalent white, uni-chrome plating, hot dip galvanizing, chromate plating, chromate plating, black chromate, nickel plating, chrome plating, Parker-dacrotized, trivalent stainless steel coating, copper plating CU plating, German-brown plating, brass plating, coat with loosening prevention agent (ALOK), black head coating (black matte), head coating (black), black paint, head coating (white), temper color, temper color, temper color (thick)
[Nominal designation of screw (M)] 3/4/5/6/8
[Length L (mm) ] 4-80
[Detailed shape] Low flat head
[Tip shape] Flat head
[Screw type] Metric coarse
[Pitch (mm)] 0.5/0.7/0.8/1/1.25
[Screw type] Full screw
Drawing
Specifications Table
| Nominal thread size | Cross-recessed Number | dk | k | C (approx.) | m (approx.) | q (Cross-Recessed penetration depth) | |||
|---|---|---|---|---|---|---|---|---|---|
| Reference dimension | Tolerance | Reference dimension | Tolerance | Maximum | Minimum | ||||
| M3 | 1 | 5 | 0 -0.4 | 1.3 | 0 -0.2 | 0.20 | 2.6 | 1.42 | 1.05 |
| M4 | 2 | 6 | 0 -0.5 | 1.4 | 0 -0.3 | 0.25 | 3.6 | 1.43 | 0.91 |
| M5 | 8 | 1.9 | 0.30 | 4.5 | 2.33 | 1.79 | |||
| M6 | 3 | 10 | 0 -0.6 | 2.4 | 0.30 | 5.1 | 2.93 | 2.38 | |
| M8 | 12.0 | 0 0.7 | 2.6 | 0 -0.4 | 0.40 | 6.7 | 3.26 | 2.70 | |