Thread Kits® 1428-104 - Perma-Coil™ STI 1/4"-20 UNC Right-Hand Tap

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Product Details

Perma-Coil™ STI 1/4"-20 UNC Right-Hand Tap (1428-104) by Thread Kits®. Perma-Coil™ helically coiled inserts are made from 304 (18-8) stainless steel that has been rolled to a carefully controlled diamond shape thread form. Designed to be slightly oversized in diameter, when installed into a STI (Screw Thread Insert) tapped hole, the insert expands outward with a spring-like action that securely grips the wall of the parent material providing a much stronger, permanent thread. Perma-Coil inserts and repair kits are designed to repair stripped threads in a variety of metals including aluminum, aluminum alloys, magnesium, cast iron and bronze. If the original threads can be stripped, there is a Perma-Coil insert to repair it.

Specifications

Size: 1/4"-20 UNC
Measurement Unit: Fractional
Best Drill: 17/64"

Features

  • Expertly crafted from high-quality raw materials
  • Proven to deliver the longest possible wear life
  • Designed to perform under the toughest conditions
  • Perfect solution for professionals and do-it-yourselfers

Founded in 1984, Thread Kits® is a leading global manufacturer and supplier of quality thread repair products for nearly 30 years. In 2016, KATO Fastening Systems, Inc. (KATO), the original inventor and manufacturer of the revolutionary bi-directional Tangless® Insert, has acquired Thread Kits, Co. from Herndon Products. Company continue to do business as Thread Kits Co., Superior products, customer service & support remains the mission of KATO and Thread Kits. Company is confident the synergy of this merger will enhance customer experience.

Part Number:
1428-104
UPC:
790694141041
Alternate MPN:
1428104

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Thread Kits® 1428-104 - Perma-Coil™ STI 1/4"-20 UNC Right-Hand Tap
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