BN 20544 - Hex head bolts partially threaded (DIN 931; ISO 4014), cl. 8.8, zinc plated blue with CresaCoat® C 307 Black

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Company	Bossard Catalog
Description	BN 20544 - Hex head bolts partially threaded (DIN 931; ISO 4014), cl. 8.8, zinc plated blue with CresaCoat® C 307 Black
Bill of material	BN 20544 3571874 hex head bolt M12x50
BNARTNR Identification	3571874 3571874
BNNORM1	DIN 931
BNNORM2	ISO 4014
BNMAT Material	Steel 8.8
BNSURFACE Surface	zinc plated blue with CresaCoat® C 307 Black
D Nominal thread diameter	12.000 12.000	mm
D3 Nominal core diameter	9.853 9.853	mm
P Thread pitch	1.750 1.750	mm
L Nominal length	50.000 50.000	mm
B Thread length	30.000 30.000	mm
BX1 B for L <= 125	30.000 30.000	mm
BX2 B for 125<L<=200	36.000 36.000	mm
BX3 B for L > 200	49.000 49.000	mm
LG Distance from the last full form thread to the bearing face (shank length of bolt) max.	20.000 20.000	mm
LS Shank length min.	11.250 11.250	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 Auflageflaeche max.	13.700 13.700	mm
DS Shank diameter min.	11.730 11.730	mm
DW min.	17.400 17.400	mm
E Width across corners min.	21.100 21.100	mm
K 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
A Distance	5.250 5.250	mm

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