Phillips pan head thread cutting screws form H, with tapping screw thread type 1

Viti automaschianti tipo 1 a testa bombata con impronta a croce Phillips forma H e filettatura autofilettante

Acciaio cementato 450 HV

D1	ST 2.2	ST 2.9	ST 3.5	ST 3.9	ST4.2	ST 5.5
d2 max	4.2	5.6	6.9	7.5	8.2	10.8
k max	1.8	2.2	2.6	2.8	3.05	3.95
	1	1	2	2	2	3
m	2.6	3	4.2	4.4	4.6	6.5
	1.8	2.5	3	3.5	3.8	5
l/mm
6.5	x	x	x
9.5	x	x	x	x	x
13	x	x	x	x	x	x
16		x	x	x	x	x
19		x			x
22					x
25				x