Self Clinching Studs

Series CH, CHS None

Series	Material	Finish
CH	Heat-treated Carbon Steel	Zinc* Clear
CHS	Series 300 Stainless Steel	Passivated ASTM A380
*Spec, ASTM B633-85
Thread:	Class 2A, MIL-S-7742; (6G ISO metric)
Use In:	CH – Materials with HRB-80 or less CHS – Materials with HRB-70 or less

CH studs provide a strong flush-head assembly in material as thin as 0.40in. (1.0mm) with high torq-out and push out performance.

 

Dimensions & Specifications
Thread Size	Thread Code	L Lengths ±0.4mm								D ±0.4	+0.08 -0.00	Min.	Min.
		6	8	10	12	15	30	35	40
M2 x 0.45	M2	-6	-8	-10	-12	-15				4.1	2.5	5.4	1.0
M2.5 x 0.45	M2.5	-6	-8	-10	-12	-15				4.1	2.5	5.4	1.0
M3 x 0.5	M3	-6	-8	-10	-12	-15				4.6	3.0	5.6	1.0
M4 x 0.7	M4		-8	-10	-12	-15	-30	-35	-40	5.9	4.0	7.2	1.0
M5 x 0.8	M5		-8	-10	-12	-15	-30	-35	-40	6.5	5.0	7.2	1.0
M6 x 1.0	M6		-8	-10	-12	-15	-30	-35	-40	8.2	6.0	7.9	1.6
M8 x 1.25	M8		-8	-10	-12	-15	-30	-35	-40	9.6	8.0	9.6	2.4
M10 x 1.25	M10		-8	-10	-12	-15	-30	-35	-40	9.6	8.0	9.6	2.4

 

Installation & Performance Data
Thread Code	Sheet Material & Thickness	Installation Force (KN)	Pushout (N)	Torque-out(N-M)
M2.5	1.6 Aluminum	11.6	625	0.9
	1.5 Steel	13.0	1025	0.9
M3	1.6 Aluminum	12.9	890	1.2
	1.5 Steel	14.7	1240	1.2
M4	1.6 Aluminum	22.3	1290	3.4
	1.5 Steel	26.7	1780	3.9
M5	1.6 Aluminum	24.5	1470	4.5
	1.5 Steel	32.5	2440	7.3
M6	2.4 Aluminum	28.9	2000	8.4
	2.2 Steel	44.5	3110	12.4
M8	24. Aluminum	29	2440	15.8
	2.2 Steel	49.8	3780	21.5

Tooling
	Thread Code	X +0.1	Y +0.08
Metric (mm)	M2.5	3.1	2.50
	M3	3.6	3.00
	M4	4.6	4.00
	M5	5.6	5.00
	M6	6.6	6.00
	M8	–	8.00