Tanner Nut & Bolt - Fasteners & Industrial Safety Supplies
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Product Type
Self-Drilling Screw
Diameter
#10
#12
#8
1/4"
Length
1"
1-1/2"
2"
2-1/2"
2-13/16"
3"
3/4"
4"
5"
6"
8"
Material
Stainless Steel
Head Type
Flat
Flat Undercut
Hex Washer
Pan
Pancake
Steel Grade
18-8
Drive Type
Hex
Phillips
Finish
Stalgard GB Coating
Head Size
3/8"
5/16"
Point Size
#2
#3
#5
Product Brand
Elco Construction Products
Product Line
Bi-Flex®
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 Self-Drilling Screw(42)
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Diameter
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 #10(7)
 #12(12)
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 1/4"(19)
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 1"(11)
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 2"(5)
 2-1/2"(2)
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 3/4"(4)
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Material
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 Stainless Steel(42)
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 Flat(3)
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 18-8(42)
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Finish
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 Stalgard GB Coating(42)
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Head Size
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 3/8"(16)
 5/16"(13)
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Point Size
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 #2(20)
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Product Brand
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 Bi-Flex®(42)
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DEWALT Screwgun & ELCO Screw Promo

Bi-Flex™ 300 Series Stainless Steel Bi-Metal Self-Drilling Screws

Bi-Metal Technology Provides Outstanding Corrosion Resistance & Long Service Life

Bi-Flex™ fasteners provide the corrosion resistance of 300 series stainless steel and the efficiency of drill screws.

  • High strength, ductility and reliability
  • Virtually immune to delayed embrittlement failures
  • Greater galvanic compatibility in dissimilar metal applications involving aluminum
  • High in-place value over the life of application

Be sure to save, print & share the Tanner Line Card (PDF) for a quick reference to our ever-expanding product offerings.



  • Diameters: #10 to 1/4"
  • Lengths: 3/4" to 8"
  • Head Styles: Hex washer, pan, pancake, flat and undercut flat
  • Drive Systems: Hex and phillips
  • Material: Hardened steel tapping threads and point fused onto an 18-8 stainless steel shank and head
  • Finishes: Stalgard® GB (Galvanic Barrier) coating
   

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