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Wing-Tip Self-Drilling Screws - Countersunk - PH - For Timber to Heavy Section Steel - Bi-Metal

5.5 x 120
  • Product Code: BMHW120
  • Pack Type: Box
  • Pack Quantity: 100
  • Quantity Unit: Pieces
Specifically designed to attach wood to metal (Max. 12mm). Metric thread with wings designed to ream out the timber, so the screw can achieve Max. R.P.M. without burning out. When the wings hit the metal they will break off to permit the thread to self-tap into the metal. NOTE: Partially threaded.
  • Hardened carbon steel drill tip fused on to an A2-304 Austenitic Stainless Steel body
250 in stock
Product Specifications
Pack Type Box
Pack Qty 100
Substrates Steel, Timber
Rec. RPM 1,000 - 1,800
Thread √ò (mm) 5.5
Effective Thread L (mm) 45 *P/T
MFT (mm) 92
Recess Type Phillips
Material Bi-Metal/A2-304 Stainless Steel/Carbon Steel
Finish Exterior (Silver Organic)
Corrosion Rating (1-5) 4 - Urban & industrial areas with a moderate salt atmosphere
MOQ Increment 1
Driver Bit Size PH3
Head Type Countersunk with Ribs
L (mm) 120
Point Type Self-Drilling No.5
Size (mm) 5.5 x 120
Thread Type Metric, *P/T = Partially Threaded
Packs per Carton 16
Pack Dimensions L x W x H (mm) 135 x 90 x 90
Pack Weight (kg) 1.675