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BN 693 1260723 slotted flat countersunk head tapping screw ST3.9x25

  1. Bossard Catalog
  3. 01 Fastening technology
  5. 01.200 Direct assembly screws
  7. 01.200.200 Direct assembly screws for metal
  9. 01.200.200.10 Thread forming and tapping screws for metal
  11. BN 693 Slotted flat countersunk head tapping screws with cone end type C
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Company
Bossard Catalog
Description
BN 693 - Slotted flat countersunk head tapping screws with cone end type C (DIN 7972 C; ISO 1482), A2
Bill of material
BN 693 1260723 slotted flat countersunk head tapping screw ST3.9x25
BNARTNR
Identification
BNNORM1
DIN 7972 C
BNNORM2
ISO 1482
BNMAT
Material
Stainless steel A2
D
Nominal thread diameter
mm
D3
Thread core diameter
mm
P
Threaded pitch
mm
L
Nominal length
mm
DK
Head diameter
mm
K
Head height ~
mm
A
Distance from the last full form thread to the bearing face
mm
N
Width of slot
mm
R
Transition radius under head max.
mm
T
Depth of the driving feature
mm
Y
Help dimensions
mm
Z
Length of cone point
mm
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