Slotted flat countersunk head tapping screws with cone end type C
BN 990
DIN 7972 C
(Standard withdrawn)
~ISO 1482
~UNI 6952 AB
~ČSN 021236
Headform |
Headform
Countersunk head
|
Drive |
Drive
Slot
|
Thread |
Thread
fully threaded
|
Material |
Material
Steel
|
Material execution |
Material execution
case-hardened
|
Surface |
Surface
zinc plated blue
|
Hardness |
Hardness
450 HV
|
All features
Standard
Additional information
Features
Headform |
Headform
Countersunk head
|
Drive |
Drive
Slot
|
Thread |
Thread
fully threaded
|
Material |
Material
Steel
|
Material execution |
Material execution
case-hardened
|
Surface |
Surface
zinc plated blue
|
Hardness |
Hardness
450 HV
|
Warnings
ISO 4042
Quenched and tempered fasteners ≥ 360 HV and tempered case-hardened fasteners with electroplated coatings: Susceptible to hydrogen embrittlement!
Further notice to residual risks can be found on our web page: Notes on use
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Hexalobular (6 Lobe) socket flat head countersunk tapping screws with cone end type C - Steel - case-hardened - zinc plated blue
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Pozi flat countersunk head tapping screws form Z, with cone end type C - Steel - case-hardened - zinc plated blue
BN 995 - DIN 7982 C - ~ISO 7050
Phillips flat countersunk head tapping screws form H, with cone end type C - Steel - case-hardened - zinc plated blue