Left-Hand Threaded Socket Screws | McMaster-Carr

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Thread Direction

System of Measurement

Thread Size

Length

Fastener Head Type

Threading

Partially Threaded

Threaded on Both Ends

Socket Head Profile

Material

18-8 Stainless Steel

Drive Style

Drive Size

Thread Pitch

Thread Type

Finish

Head Diameter

Thread Spacing

Thread Fit

Metric Class 5g6g

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Specifications Met

Tensile Strength

60,000 psi to 99,999 psi

100,000 psi or greater

Hardness

REACH

Shoulder Length

DFARS Specialty Metals

Export Control Classification Number (ECCN)

RoHS

Fastener Strength Grade/Class

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178 Products

Fastening and Joining

Socket Head Screws

Socket Head Screws

With a deeper drive than flat and rounded head screws, these withstand more torque for a tighter hold

Rounded Head Screws

Rounded Head Screws

Sit just above the surface for a low-profile finish and hold tighter than flat head screws

Flat Head Screws

Flat Head Screws

Fit in countersunk holes for a flush finish that won't snag on surrounding parts

Shoulder Screws

Shoulder Screws

Rotate parts around the cylinder under the head to guide and align them during installation

Fabricating and Machining

Lathe Tool Insert Holder Replacement Parts

Lathe Tool Insert Holder Replacement Parts

Replace clamps, screws, shims, and other parts in lathe tool insert holders

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