BN 20737 - Hex socket head cap screws with low head and pilot recess, partially / fully threaded (DIN 6912), cl. 08.8 / 8.8, zinc plated blue

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BNARTNR Identification	3752561 3752561
BNNORM1	DIN 6912
BNMAT Material	Steel 08.8 / 8.8
BNSURFACE Surface	zinc plated blue
D Nominal thread diameter	5.000 5.000	mm
D3 Thread core diameter	4.019 4.019	mm
P Thread pitch	0.800 0.800	mm
L Nominal length	30.000 30.000	mm
LG Distance from the last full form thread to the bearing face (shank length of bolt) max.	14.000 14.000	mm
LS Shank length min.	10.000 10.000	mm
B Thread length	16.000 16.000	mm
BX1 B for L <= 125	16.000 16.000	mm
BX2 B for 125<L<=200	0.000 0.000	mm
BX3 B for L > 200	0.000	mm
DK Head diameter	8.500 8.500	mm
DA Inner diameter of bearing surface max.	5.700 5.700	mm
DH Key leadership diameter min.	2.500 2.500	mm
DS max.	5.000 5.000	mm
DW Diameter of the bearing face	7.700 7.700	mm
E min.	4.580 4.580	mm
F Max transition.	0.600 0.600	mm
K Head height max.	3.500 3.500	mm
R Transition radius under head min.	0.200 0.200	mm
S Width across flats	4.000 4.000	mm
T Depth of the driving feature	2.000 2.000	mm
T1 Depth / key leaders min.	4.000 4.000	mm
V Chamfer max.	0.500 0.500	mm

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