BN 11255 - Hexalobular (6 Lobe) socket flat head countersunk tapping screws with cone end type C (ISO 14586 C), zinc plated blue

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Company	Bossard Catalog
Description	BN 11255 - Hexalobular (6 Lobe) socket flat head countersunk tapping screws with cone end type C (ISO 14586 C), zinc plated blue
Bill of material	BN 11255 3060060 hexalobular socket flat countersunk head tapping screw ST3.5x13-C
BNARTNR Identification	3060060 3060060
BNNORM1	ISO 14586 C
BNMAT Material	Steel case-hardened 450 HV
BNSURFACE Surface	zinc plated blue
ST Thread size	ST3.5 ST3.5
D Nominal thread diameter	3.500 3.500	mm
D3 Core diameter	2.640 2.640	mm
P Threaded pitch	1.300 1.300	mm
L Length	13.000 13.000	mm
A1 Thread rudiment	1.300 1.300	mm
DK Head diameter theor. max.	8.200 8.200	mm
DK1 Head diameter effective max.	7.300 7.300	mm
K Head height max.	2.350 2.350	mm
R Clear stitch radius max.	1.400 1.400	mm
Y Help dimensions	3.200 3.200	mm
NR Hexalobular socket	15 15
A Torx outer diameter	3.350 3.350	mm
T Torx-depth max.	1.300 1.300	mm

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