BN 21200 - Hex head screws fully threaded

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Company	Bossard Catalog
Description	BN 21200 - Hex head screws fully threaded
Bill of material	BN 21200 3639934 hex head screw M12x40
BNARTNR Identification	3639934 3639934
BNNORM1	DIN 933
BNNORM2	ISO 4017
BNMAT Material	Steel 8.8
BNSURFACE Surface	Zinc flake coated ISO 10683/flZnL/nc/480h/C (µ=0.12-0.18)
D Nominal thread diameter	12.000 12.000	mm
D3 Thread core diameter	9.853 9.853	mm
P Thread pitch	1.750 1.750	mm
L Nominal length	40.000 40.000	mm
B Thread length	34.750 34.750	mm
A Distance max.	5.250 5.250	mm
C Height of the washer-faced portion (or thickness of the flange or collar) max.	0.600 0.600	mm
DA Inner diameter of bearing surface max.	13.700 13.700	mm
DW Diameter min.	17.400 17.400	mm
E Width across corners min.	21.100 21.100	mm
K Nominal head height	7.500 7.500	mm
R Transition radius under head min.	0.600 0.600	mm
S Across-flats-dimension max.	19.000 19.000	mm
X Thread rudiment	2.200 2.200	mm

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