Bi-Metal Hex Stitching Screw W16 6.3 x 22mm x 100 PCS - for Sheet to Sheet

Used for stitching two metal roofing sheets together without the need to pre-drill a hole (Max. 1.6mm). Self-drilling point and tapered shank, with a washered hexagon head.

• Hardened carbon steel drill tip fused on to an A2-304 Austenitic Stainless Steel body

• MDT (mm): 1.6

• Pack Qty: 100

• Pack Type: Box

• FW Ø (mm): 11

• Effective Thread L (mm): 9

• Material: Bi-Metal/A2-304 Stainless Steel/Carbon Steel

• Corrosion Rating (1-5): 4 - Urban & industrial areas with a moderate salt atmosphere

• Point Type: Self-Drilling No.1 Reduced

• Thread Type: 60° Tapered Self-Tapping

• Included Items: 16mm EPDM Washers

• Drill Tip L (mm): 5.5

• EPDM Washer (mm): 16

• Socket Size (mm): 8

• Head Type: Hex

• Substrates: Thin Sheet Metal

• Type: For Sheet Steel

• Finish Exterior: (Silver Organic)

• Head H (mm): 5.3 

• Thread Coverage: Fully Threaded