1"-8 Taps | McMaster-Carr

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System of Measurement

Thread Size

Chamfer Type

For Use On

Stainless Steel

Thread Type

Thread Direction

Tap Sizes Included

3 each of sizes 1/4"-20, 1/4"-28, 5/16"-18, 5/16"-24, 3/8"-16, 3/8"-24, 7/16"-14, 7/16"-20, 1/2"-13, 1/2"-20, 9/16"-12, 9/16"-18, 5/8"-11, 5/8"-18, 3/4"-10, 3/4"-16, 7/8"-9, 7/8"-14, 1"-8, and 1"-12

Flute Type

Sold As

Maximum Tapping Depth

For Hole Type

Material

18-8 Stainless Steel

Number of Pieces

Application

Component

Die Sizes Included

Shank Type

Pipe Size

Thread Length

Number of Flutes

Overall Length

Drill Bit Size

DFARS Specialty Metals

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40 Products

Taps

For Fastener Threads

Taps

Cut threads into holes in most metals and plastic so screws, bolts, and rods fit snugly

Tap Sets

A variety of taps for threading holes so screws, bolts, and rods fit snugly

Chip-Clearing Taps for Steel and Stainless Steel

Chip-Clearing Taps for Steel and Stainless Steel

Made of a high-vanadium alloy for hardness and wear resistance

Chip-Clearing Taps

Chip-Clearing Taps

Remove long, stringy chips to produce cleaner threads than standard taps

Left-Hand Thread Taps

Left-Hand Thread Taps

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

Long-Reach Taps

Long-Reach Taps

Thread holes that are hard to access or where obstructions make it difficult to turn a tap wrench

Left-Hand Thread Tap Sets

Left-Hand Thread Tap Sets

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

For Acme and Trapezoidal Threads

Acme Thread Taps

Acme Thread Taps

Create the broad Acme threads found on lead screw nuts, linear actuators, and other moving components

Left-Hand Acme Thread Taps

Left-Hand Acme Thread Taps

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

For Helical Inserts

Helical Insert Taps

Helical Insert Taps

Match the size of helical inserts so they fit tightly when installed

Other Products

Tap and Die Sets

Tap and Die Sets

Cut and repair internal and external threads in many sizes

Tap Extractors

Grip the flutes on a broken tap to remove it without damaging the surrounding threads

Threaded Inserts

Threaded Inserts

Create new threads or repair stripped threads

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