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Patent Screws - Hyper Driller Screws

Specifications:
All Purpose Wood Screws
Collecting Grooves at the Minor Diameter Enlarge Space inside Wood and then Prevent Wood Split
Saw-like Teeth Grind Wood into Small Chips
A Cutting Point Fixes Drilling Point Immediately and Cuts Wood into Small Chips
Head Type: Flat, Pan, HWH, HWF, Truss, Hex, Round Washer.
Drive On Head: Phillips, Square, Pozi, Square + Phil, Star, Slotted, Phil + Slotted, TORX®TTAP®.
Material: SAE1018, SAE1022, 10B21
Plating: Yellow Zinc / Zinc Plated Cr3/Cr6 + Waxed, Long Life Surface Treatment, Others

European Patent No. 20004180.0
U.S. Patent No. US6789991 B2

 
Diameter & Length :   Diameter & Length :
3.0mm 12mm~40mm   #8 x 1-1/4 in.
3.5mm 12mm~50mm   #8 x 1-5/8 in.
4.0mm 12mm~80mm   #8 x 1-3/4 in. 
4.5mm 16mm~80mm   #8 x 2 in. 
5.0mm 20mm~140mm   #8 x 2-1/2 in.
6.0mm 30mm~300mm   #8 x 3 in.
      #9 x 2-1/4 in. 
      #9 x 2-1/2 in. 
      #9 x 3 in. 
      #9 x 4 in.
      #9 x 5 in.
      #10 x 3-1/2 in. 
      #10 x 4 in. 
      #10 x 4-1/2 in. 
      #10 x 5 in. 
      #10 x 6 in. 
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