Cross-Recessed Truss Machine Screw

Caution
- Please note that if the mating part is to be prepared by the customer, it will not fit unless it is over-tapped according to the standard.
- 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:AEN: ZEC Coat-Substrate Zinc Plating - The product images are representative only. Specifications may vary by part number, including shape and color.
In addition, the color of the actual product may differ depending on the material and surface treatment.
*"Other special treatment" under "Surface treatment" refers to the following specifications.
3W-ZEC: ZEC coat - trivalent white undercoat
3B-ZEC: ZEC coat - trivalent black undercoat
AEN: ZEC Coating - Zinc Plating Base
Product Description
[Nominal Thread Size (M)]2/2.3/2.5/2.6/3/3.5/4/5/6/8/10/12/16
[Material] SWCH equivalent / brass / SUS304 equivalent / aluminum / titanium / SUS316L / SUS430 / steel / stainless steel
[Surface Treatment] Non-chrome (zinc plating) Black / Non-chrome white / Non-chrome black / Trivalent black / Trivalent white / bright chromate plating / hot-dip galvanizing / chromate plating / green chromate / black chromate / nickel plating / CU plating / black nickel / chrome plating / parkerizing / dacrotized / Sten coat / Trivalent Sten coat / stainless steel finish plating / dark bronze color plating / tin cobalt / painted head (matte black) / painted head (black) / black coating / bright chromate plating + painted head (white) / trivalent white + painted head (white) / painted head (white) / anti-seize coating / temper color / temper color (dark) / other special treatments / anti-loosening agent applied / None
Drawing

Specifications Table
| Nominal thread size (d) | Pitch P | Cross-recessed Number | dk | k | m | q (Cross-Recessed penetration depth) | |||
|---|---|---|---|---|---|---|---|---|---|
| Reference dimension | Tolerance | Reference dimension | Tolerance | Reference | Maximum | Minimum | |||
| M2 | 0.4 | 1 | 4.5 | 0 -0.4 | 1.2 | +/- 0.1 | 2.2 | 1.01 | 0.65 |
| M2.3 | 0.4 | 5.2 | 1.4 | 2.4 | 1.21 | 0.85 | |||
| M2.5 | 0.45 | 5.7 | 1.5 | 2.5 | 1.32 | 0.95 | |||
| M2.6 | 0.45 | 5.9 | 1.6 | 2.6 | 1.42 | 1.05 | |||
| M3 | 0.5 | 6.9 | 0 -0.5 | 1.9 | +/- 0.15 | 2.9 | 1.72 | 1.34 | |
| M3.5 | 0.6 | 2 | 8.1 | 2.2 | 4.0 | 1.83 | 1.30 | ||
| M4 | 0.7 | 9.4 | 2.5 | 4.3 | 2.13 | 1.60 | |||
| M5 | 0.8 | 11.8 | 0 -0.6 | 3.1 | 5.0 | 2.83 | 2.29 | ||
| M6 | 1.0 | 3 | 14 | 0 -0.7 | 3.7 | +/- 0.2 | 6.3 | 2.86 | 2.31 |
| M8 | 1.25 | 17.8 | 0 -0.8 | 4.8 | 7.8 | 4.36 | 3.78 | ||
| M10 | 1.5 | 4 | 21 | 0 -1.0 | 5.1 | +/- 0.4 | 9.5 | 5.40 | 4.60 |