Double-Hex Head Screws | McMaster-Carr

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Threading

Partially Threaded

Threaded on Both Ends

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Stainless Steel

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Right Hand and Left Hand

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Tensile Strength

30,000 psi to 99,999 psi

100,000 psi or greater

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External 12-Point

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OD

Thread Fit

ASME Interference Class 5

Metric Class 4h

Metric Class 6g

Metric Interference Sk6

Unified Standard Class 1A

Unified Standard Class 2A

Unified Standard Class 3A

DFARS Specialty Metals

RoHS

Compliant with Exemptions

REACH

U.S.–Mexico–Canada Agreement (USMCA) Qualifying

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1,826 Products

12-Point Screws

Steel 12-Point Screws

Steel 12-Point Screws

Extremely strong, similar to Grade 9 steel

Stainless Steel 12-Point Screws

Stainless Steel 12-Point Screws

Excellent corrosion resistance with strength comparable to Grade 9 steel

Other Products

Setup Studs

Secure setup clamps and fixtures to your machine table or assemble heavy machines

Connecting Rods

Connecting Rods

Use with rod ends and swivel joints to link components in push/pull assemblies

Studs

Press, weld, or screw in place to add a threaded fastening point

Lathe Tool Insert Holder Clamp Screws

Lathe Tool Insert Holder Clamp Screws

Replace the clamp screws on your lathe tool insert holder

Dowel Screws

Screw into holes to join two pieces of wood

Thread Adapters

Thread Adapters

Join threads of a different type, size, and gender

The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)