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Class 12.9 Flat Socket Cap Screws DIN 7991 CR+3 Zinc - Metric

Class 12.9 Flat Socket Cap Screws DIN 7991 CR+3 Zinc - Metric


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Class 12.9 Flat Socket Cap Screws DIN 7991 CR+3 Zinc - Metric

Zinc plated Flat Socket Head Cap Screws from Brighton Best. Hardness of RC 38-43, meets or exceeds DIN 7991. Manufactured from heat treated alloy steel, 1960 series.

Class 12.9 Flat Socket Cap Screws DIN 7991 CR+3 Zinc - Metric
Class 12.9 Flat Socket Cap Screws DIN 7991 CR+3 Zinc
Nominal
Size
Thread
Pitch
Body
Diameter
Head DiameterHead
Height
Hex
Socket
Size
Key
Engag-
ement

Wall

Thick-
ness

Drill
Allow-
ance
Max.Min.Theore-
tical
Sharp
Abso-
lute
Min.
Ref.Flush
Toler-
ance
Nom.Min.Min.Max.
M30.53.002.866.725.351.860.302.01.10.250.3
M40.74.003.828.967.802.480.302.51.50.450.4
M50.85.004.8211.209.753.100.353.01.90.660.5
M616.005.8213.4411.703.720.354.02.20.700.6
M81.258.007.7817.9215.604.960.405.03.01.160.8
M101.510.009.7822.4019.506.200.506.03.61.620.9