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BN 2101 3809027 hex socket flat countersunk head screw M5x20

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Company	Bossard Catalog
Description	BN 2101 - Hex socket flat countersunk head screws fully threaded (ISO 10642; ~DIN 7991), cl. 010.9 / 10.9, black
Bill of material	BN 2101 3809027 hex socket flat countersunk head screw M5x20
BNARTNR Identification	3809027 3809027
BNNORM1	ISO 10642
BNNORM2	~DIN 7991
BNMAT Material	Steel 010.9 / 10.9
BNSURFACE Surface	black
D Nominal thread diameter	5.000 5.000	mm
D3 Nominal core diameter	4.019 4.019	mm
P Threaded pitch	0.800 0.800	mm
L Nominal length	20.000 20.000	mm
B Thread length	15.300 15.300	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 0.000	mm
LS Shank length min.	3.100 3.100	mm
LG Distance from the last full form thread to the bearing face (shank length of bolt) max.	4.700 4.700	mm
AL Countersunk head angle +2 / 0	90.000	mm
DK Head diameter max.	10.070 10.070	mm
DS Diameter of the unthreaded shank max.	5.000 5.000	mm
K Head height max.	3.100 3.100	mm
R Transition radius under head min.	0.200 0.200	mm
S Keys wide nominal	3.000 3.000	mm
T Depth of the driving feature max.	1.900 1.900	mm

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