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Product SKU: BIFLEX

Bi-Flex Bi-Metal Self-Drilling Structural Screws

Bi-Flex structural screws are bi-metal self-drilling tapping screws that provide the corrosion resistance of 300 series stainless steel and the efficiency of drill screws. Bi-Flex screws are suitable for use in both steel and aluminum.

This specialty fastener is commonly used in fastening of dissimilar metals.

Available in multiple diameters and lengths, as well as multiple heads, including HWH, phillips pan head, phillips undercut flat head, and phillips pancake head.

Documents

ELCO BIFLEX TP rB

Product SKUNameQuantityRequest a Quote
TEK101634T2BF10-16 - 3/4" - HWH - SD 2 - Bi-Flex - No
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TEK10161T2BF10-16 - 1" - HWH - SD 2 - Bi-Flex - No
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TEK1016112T2BF10-16 - 1 1/2" - HWH - SD 2 - Bi-Flex - No
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TEK12141T3BF12-14 - 1" - HWH - SD 3 - Bi-Flex - No
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TEK1214112T2BF12-14 - 1 1/2" - HWH - SD 2 - Bi-Flex - No
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TEK1214112T3BF12-14 - 1 1/2" - HWH - SD 3 - Bi-Flex - No
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TEK12142T2BF12-14 - 2" - HWH - SD 3 - Bi-Flex - No
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TEK1214212T3BF12-14 - 2 1/2" - HWH - SD 3 - Bi-Flex - No
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TEK14141T2BF1/4-14 - 1" - HWH - SD 2 - Bi-Flex - No
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TEK1414112T2BF1/4-14 - 1 1/2" - HWH - SD 2 - Bi-Flex - No
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TEK14142T2BF1/4-14 - 2" - HWH - SD 2 - Bi-Flex - No
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TEK14201T3BF1/4-20 - 1" - HWH - SD 3 - Bi-Flex - No
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TEK1420112T3BF1/4-20 - 1 1/2" - HWH - SD 3 - Bi-Flex - No
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TEK1224112T5BF12-24 - 1 1/2" - HWH - SD 5 - Bi-Flex - No
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TEK12242T5BF12-24 - 2" - HWH - SD 5 - Bi-Flex - No
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TEK14202T5BF1/4-20 - 2" - HWH - SD 5 - Bi-Flex - No
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TEK14203T5BF1/4-20 - 3" - HWH - SD 5 - Bi-Flex - No
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TEK14204T5BF1/4-20 - 4" - HWH - SD 5 - Bi-Flex - No
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TEK14205T5BF1/4-20 - 5" - HWH - SD 5 - Bi-Flex - No
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TEK14206T5BF1/4-20 - 6" - HWH - SD 5 - Bi-Flex - No
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TEK14208T5BF1/4-20 - 8" - HWH - SD 5 - Bi-Flex - No
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TEK12141T2PFHUBF12-14 - 1" - Phillips Undercut Flat Head - SD 2 - Bi-Flex - No
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TEK1214114T2PFHUBF12-14 - 1 1/4" - Phillips Undercut Flat Head - SD 2 - Bi-Flex - No
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TEK1214112T2PFHUBF12-14 - 1 1/2" - Phillips Undercut Flat Head - SD 2 - Bi-Flex - No
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TEK14203PFHUT3BF1/4-20 - 3" - Phillips Undercut Flat Head - SD 3 - Bi-Flex - No
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TEK14204PFHUT3BF1/4-20 - 4" - Phillips Undercut Flat Head - SD 3 - Bi-Flex - No
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TEK101634PT2BF10-16 - 3/4" - Phillips Pan Head - SD 2 - Bi-Flex - No
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TEK10161PT2BF10-16 - 1" - Phillips Pan Head - SD 2 - Bi-Flex - No
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TEK12141PNCT3BF12-14 - 1" - Phillips Pan Head - SD 3 - Bi-Flex - No
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TEK1016112FT3BF10-16 - 1 1/2" - Phillips Flat Head - SD 3 - Bi-Flex - No
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TEK122421316FT5BF12-24 - 2 13/16" - Phillips Flat Head - SD 5 - Bi-Flex - No
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TEK142021316FHT5W1/4-20 - 2 13/16" - Phillips Flat Head - SD 5 - Bi-Flex - No
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Description

Bi-Flex self-drilling structural screws are manufactured by DeWalt ELCO. Thes fasteners are commonly used in aluminum to steel connections, aluminum to aluminum connections, or steel to steel connections. The 300 series stainless steel head and shank feature hardened steel tapping threads and drill point.

• High strength, ductility and reliability
• Immune to hydrogen assisted stress corrosion cracking (HASCC)
• Higher corrosion resistance compared with carbon steel and 410 series stainless steel fasteners
• Stalgard GB coating creates greater galvanic compatibility in dissimilar metal applications, including connections involving aluminum
• 18-8 stainless compatible with pressure treated lumber
• Custom fastener painting is available for all of our self-drilling screws, contact us for painting

Common applications include: dissimilar metal fastening, aluminum to steel, aluminum to aluminum, and curtainwall construction.