Liberty Fastener-A Supplier of Fastener Products. 1240KWN , Self Drilling Screw with Neo-EPDM Washer

1240KWN , Self Drilling Screw with Neo-EPDM Washer

Indented Hex Washer Unslotted
Used in metal roofing to create a leak-proof seal
Screw is Case Hardened to Rockwell C50-56 (Core Hardness: Rockwell C32-40)
Steel Zinc Plated

Products specifications

Size	12 x 2 1/2 in
Ctn Qty	750
Weight Lbs/M	33.00
Plating	Steel Zinc
Number of Points	3
Core Hardness	Rockwell C32-40