5/16-9X3 .428-.437A/F Unslotted Indent Hex Washer Self Tap Screw Type A Full Thread Zinc (Pack Qty 400) BC-314807AW

$219.10
SKU:
BC-314807AW
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Description

.428-.437A/F Unslotted Indent Hex Washer Self Tap Screw Type A Full Thread Zinc

For self starting in thin (.015-.050 thick) metal or resin-filled plywood. 18-8 Stainless steel tapping screws may be used in applications which require general atmospheric corrosion resistance. Fastening stainless steel parts to aluminum or steel can cause a type of corrosion known as a galvanic couple in some environments