8-18X1 1/4 Unslotted Hex Washer Bonded NEO EPDM Washer Self Drill Full Thread Zinc 1000hrs Salt (Pack Qty 2,000) BC-0820KWNHC

$184.17
SKU:
BC-0820KWNHC
Origin:
IMPORTED
PDF1:
https://shorpioen.com/content/Sthexhd.pdf
PDF2:
https://shorpioen.com/content/DrillPoint_AltPlate.pdf
PDF3:
https://shorpioen.com/content/Stdrillepdm.pdf
Product Size:
8-18X1 1/4
Quantity per box:
2000
SELL_CODE:
KWNHC
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Unslotted Hex Washer Bonded NEO EPDM Washer Self Drill Full Thread Zinc 1000hrs Salt

A hex washer head tapping screw with spaced threads and a drill point which drills its own hole. Beneath the head is a thin conically-shaped circular steel washer, bonded to a similarly shaped rubber-like piece which as a slightly smaller outside and inside diameter. When these washers are assembled (rubber side down) to self-piercing or self-drilling screws, those fasteners become "sealing screws"