DrillFast® A4 stainless super heavy section panel fasteners, 19mm washer

A4/316 grade stainless steel composite panel fastener for fixing to primary steelwork

Supplied pre-assembled with an stainless steel / EPDM rubber 19mm diameter sealing washer, normally used in roof applications.

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DrillFast® A4 stainless super heavy section panel fasteners, 19mm washer

A4/316 grade stainless steel composite panel fastener for fixing to primary steelwork

Supplied pre-assembled with an stainless steel / EPDM rubber 19mm diameter sealing washer, normally used in roof applications.

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	Years / Environment
	Interior	Semi-interior	Rural	Urban	Industrial / Coastal	Marine	Swimming pools & Chemical plants
Corrosivity Category	C1	-	C2	C3	C4	C5	-
Austenitic Stainless Steel A4 Grade (316)	40	40	40	40	25	25	0

	Years / Environment
	Interior	Semi-interior	Rural	Urban	Industrial / Coastal	Marine	Swimming pools & Chemical plants
Corrosivity Category	C1	-	C2	C3	C4	C5	-
Austenitic Stainless Steel A4 Grade (316)	40	40	40	40	25	25	0

	Years / Environment
	Interior	Semi-interior	Rural	Urban	Industrial / Coastal	Marine	Swimming pools & Chemical plants
Corrosivity Category	C1	-	C2	C3	C4	C5	-
Austenitic Stainless Steel A4 Grade (316)	40	40	40	40	25	25	0

	Years / Environment
	Interior	Semi-interior	Rural	Urban	Industrial / Coastal	Marine	Swimming pools & Chemical plants
Corrosivity Category	C1	-	C2	C3	C4	C5	-
Austenitic Stainless Steel A4 Grade (316)	40	40	40	40	25	25	0

Fastener SKU	Washer	Min	Max
DF25-SSA4-HT-S19-6.3 x 225	S19 washer	99 mm	169 mm
DF25-SSA4-HT-S19-6.3 x 275	S19 washer	149 mm	219 mm
DF25-SSA4-HT-S19-6.3 x 325	S19 washer	199 mm	269 mm

Installation tool	Variable speed electric screw gun
Installation drive	Fixfast GreenDrive (8mm hex integral socket with retaining clip)
Installation speed	1500 RPM
Correct installation	Fasteners should be driven within three degrees of perpendicular to the surface of the fastened material. Use a depth-setting nosepiece to avoid over-driving, and do not over-tighten. Variants with bonded washers should not have the rubber compressed to less than two-thirds of its uncompressed height. Care should be taken when engaging and disengaging from the fastener head to avoid damage to the protective coating.
Handling	Fasteners may have sharp edges, and the use of power tools can be dangerous. Use personal protective equipment. Store fasteners in dry conditions. Inspect each fastener before use and do not use damaged fasteners.