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BN 990 1373129 slotted flat countersunk head tapping screw C 3.5x13

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Company	Bossard Catalog
Description	BN 990 - Slotted flat countersunk head tapping screws with cone end type C (DIN 7972 C; ~ISO 1482), zinc plated blue
Bill of material	BN 990 1373129 slotted flat countersunk head tapping screw C 3.5x13
BNARTNR Identification	1373129 1373129
BNNORM1	DIN 7972 C
BNNORM2	~ISO 1482
BNMAT Material	Steel, case hardened 450 HV
BNSURFACE Surface	zinc plated blue
D Nominal thread diameter	3.5 3.5	mm
D3 Thread core diameter	2.640 2.640	mm
P Threaded pitch	1.300 1.300	mm
L Nominal length	13.0 13.0	mm
DK Head diameter	6.800 6.800	mm
K Head height ~	2.100 2.100	mm
A Distance from the last full form thread to the bearing face	1.300 1.300	mm
N Width of slot	1.000 1.000	mm
R Transition radius under head max.	1.400 1.400	mm
T Depth of the driving feature	0.600 0.600	mm
Y Help dimensions	3.200 3.200	mm
Z Length of cone point	3.200 3.200	mm

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