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Countersunk
Inch Pozi Countersunk Head Self Tapping Screw B Case Hardened Steel BS4174

Inch Pozi Countersunk Head Self Tapping Screw B Case Hardened Steel BS4174

SKU: 493

Details

d	dk max	dk min	k	n max	n min	t nom
No.2	0.1720	0.1470	0.0510	0.0310	0.0230	0.0190
No.4	0.2250	0.1950	0.0670	0.0390	0.0310	0.0250
No.6	0.2790	0.2440	0.0830	0.0480	0.0390	0.0310
No.8	0.3320	0.2920	0.1000	0.0540	0.0450	0.0370
No.10	0.3850	0.3400	0.1160	0.0600	0.0500	0.0440
No.12	0.4380	0.3890	0.1320	0.0670	0.0560	0.0500
No.14	0.5070	0.4520	0.1530	0.0750	0.0640	0.0580
No.16	0.6350	0.5680	0.1910	0.0840	0.0720	0.0730

Additional Info

Additional Info

Weight	0.0000
Material	CASE HARDENED STEEL
Standard Number	BS4174
Second Standard	-
Drive	Pozicrossrecess
Head	COUNTERSUNK
American Generic Brand Term	FLAT
Diameter	No.2,No.4,No.6,No.8,No.10,No.12,No.14,No.16
Length	1/4",5/16",3/8",7/16",1/2",5/8",3/4",1",1.1/4",1.1/2",1.3/4",2",2.1/4",2.1/2",3"

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