Left-Hand Threaded Socket Screws | McMaster-Carr

Filter by

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

Thread Pitch

Drive Size

Finish

Head Diameter

Thread Type

Thread Spacing

Thread Fit

Metric Class 5g6g

Metric Class 6g

Unified Standard Class 2A

Unified Standard Class 3A

Hardness

Specifications Met

Tensile Strength

60,000 psi to 99,999 psi

100,000 psi or greater

Shoulder Length

REACH

DFARS Specialty Metals

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

Export Control Classification Number (ECCN)

RoHS

How can we improve?

227 Products

Socket Head Screws

Left-Hand-Thread Steel Socket Head Screws

Left-Hand-Thread Steel Socket Head Screws

Turn left to tighten

Left-Hand-Thread Stainless Steel Socket Head Screws

Left-Hand-Thread Stainless Steel Socket Head Screws

Corrosion resistant and turn left to tighten

Other Products

Rounded Head Screws

Rounded Head Screws

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

Lathe Tool Insert Holder Clamp Screws

Lathe Tool Insert Holder Clamp Screws

Replace the clamp screws on your lathe tool insert holder

Shoulder Screws

Shoulder Screws

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

Flat Head Screws

Flat Head Screws

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

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