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Hexagonal carbon steel re-threading die, bright uncoated finish

Drill America

Drill America 7/8 In.-20 Carbon Steel Hex Re-Threading Die

SKU CH-MS6D-BDAR2

A 7/8 in. - 20 carbon-steel hex die for rethreading bruised or rusty threads in metal or plastic, used without a special holder

  • Product typeDrill Bits
  • Rethreads damaged threads on metal or plastic
  • Hex shape allows use with standard wrenches
  • Carbon steel construction handles shop or field tasks
  • Bright finish resists corrosion during storage
  • Right-hand cut matches common USS thread patterns

Shop and field maintenance

This carbon-steel hex die restores damaged 7/8 in.-20 threads on bolts, studs and fittings. The uncoated bright finish and right-hand cut suit general-purpose rethreading of metal and softer materials such as plastic. No special holder is needed, so the tool works directly with a standard wrench or socket.

Replaces worn taps and full die sets

When threads are bruised or rusty but the underlying fastener is sound, this single die cleans them faster than chasing with a tap or swapping a complete die stock. The jump is worth it for occasional repair jobs where a dedicated rethreading tool saves time over improvised methods.

Handles 7/8 in.-20 USS threads

The die comfortably rethreads standard coarse-pitch fasteners in steel, aluminium and plastic. It runs out on left-hand threads, fine-pitch variants or hardened alloys that exceed the cutting capacity of uncoated carbon steel.

How it compares

Measured against everything we stock in Bits, Hole Saws & Accessory Kits, at today’s prices. Recalculated every night.

Price $26.99
Typical for this category: the median of 5,493 items is $27.99.

Specifications

Product
Product typeDrill Bits

Questions about this item

What size wrench or socket fits the hex on this 7/8 In.-20 die?

The die is hex shaped so a standard wrench or socket that matches the flat-to-flat width can turn it directly; no special holder is required.

How do I start the die on a damaged bolt without cross-threading?

Align the die square to the bolt axis, apply light pressure and turn clockwise for the standard right-hand cut; let the first few threads engage before adding force.

When should I replace this carbon-steel re-threading die?

Replace it when the cutting edges no longer clean bruised or rusty threads in metal or softer materials such as plastic, indicating the carbon steel has worn dull.

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