Hex Big Washer Heavy Duty Self-drilling Screws

Hex washer head self-drilling screws for steel, mainly used for steel structure fixing, fine thread could provide faster drilling speed and stronger fastening ability, #5 point could easily drill through max 12mm steel plate.

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Product Description

Product Description
Material		Application
Carbon Steel 1022A		For fixing steel plate to thick steel structure
Stainless Steel 410
Bi-metal A2/A4+SCM435
Surface Treatment
AS3566 Class 3/Class 4		Drilling Capacity
Zinc Plated		#12 Max Thinckness 12.5mm
Advantage
Faster drilling speed		#14 Max Thinckness 12.5mm
No iron filings get stuck on the thread

Diameter	Effective Fixing Thickness		Screw Size
5.5mm/#12 gauge	＜16mm		12-24x38mm
	＜28mm		12-24x50mm
	＜46mm		12-24x68mm
6.3mm/#14 gauge	＜28mm		14-24x50mm
	＜46mm		14-24x68mm
	＜58mm		14-24x80mm
	＜73mm		14-24x95mm