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BN 660 1250531 cross recessed pan head screw M4x6

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Company	Bossard Catalog
Description	BN 660 - Phillips pan head machine screws form H (DIN 7985 A; ISO 7045), A2
Bill of material	BN 660 1250531 cross recessed pan head screw M4x6
BNARTNR Identification	1250531 1250531
BNNORM1	DIN 7985 A
BNNORM2	ISO 7045
BNMAT Material	INOX A2
D Nominal thread diameter	4.000 4.000	mm
D3 Thread core diameter	3.141 3.141	mm
P Threaded pitch	0.700 0.700	mm
L Nominal length	6.000 6.000	mm
A Distance from the last full form thread to the bearing face	1.400 1.400	mm
B Thread length	4.600 4.600	mm
DA max.	4.700 4.700	mm
DK Head diameter	8.000 8.000	mm
K max.	3.250 3.250	mm
R Transition radius under head	0.200 0.200	mm
RF Radius of curvature of the lens head ~	8.000 8.000	mm
V ~	2.000 2.000	mm
X Thread rudiment	1.750 1.750	mm
M Wing diameter of cross recesses	4.600 4.600	mm

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