Left-Hand-Thread Taps | McMaster-Carr

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341 Products

Taps

For Fastener Threads

Left-Hand Thread Taps

Create left-hand threads that prevent counter-clockwise rotating parts from loosening

231 products

Left-Hand Thread Tap Sets

A variety of taps to create a snug fit with left-hand fasteners

57 products

Left-Hand Thread Chip-Clearing Taps

Prevent chip buildup when creating left-hand threads for counter-clockwise rotating parts

45 products

For Acme and Trapezoidal Threads

Left-Hand Acme Thread Taps

Thread holes for left-hand Acme fasteners that secure counter-clockwise rotating parts

23 products

For Pipe and Conduit Threads

Left-Hand Pipe and Conduit Taps

Make it easier to disconnect or join sections of pipe

8 products

For Helical Inserts

Left-Hand Thread Helical Insert Taps

Size holes for installing helical inserts that anchor left-hand bolts and rods

11 products

Other Products

Threaded Inserts

Create new threads or repair stripped threads

11 products

Tapping Heads

Back out of a hole after tapping it without stopping your machine's motor

2 products