Heli-Coil Thread Repair Kit 12 Inserts 1/4"-20

★★★★☆ 4.0 34 reviews

$37.26
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$37.26
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Free shipping Free 30-day returns

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Product details

Management number 212825872 Release Date 2026/04/12 List Price $14.90 Model Number 212825872
Category

Quickly and permanently restores stripped worn or damaged threads to their original size and condition. The hard stainless steel (18-8) diamond shaped wire inserts work in just about any part or material; aluminum magnesium cast iron bronze etc. The insert has a driving "tang" for installation which is notched for easy removal. Kit contains a Heli-Coil tap installation tool a quantity of inserts and detailed instructions packaged in durable placon or vinyl pouches.

UPC 025964100191
Brand Helicoil
Color Silver
Metal Type Aluminum, Bronze, Iron, Magnesium, Stainless Steel
Item Weight 0.01 Ounces
Part Number 5521-4
Thread Size 1/4
Thread Type Unified National Coarse (Unc)
Finish Types Unfinished
Manufacturer Heli-Coil
Thread Class Class 2B
Thread Style External, 1/4"-20 (UNC Coarse)
Fastener Type Hex
Item Diameter 0.25 Inches
Material Type Aluminum, Bronze, Iron, Stainless Steel
Exterior Finish Stainless Steel
Item Dimensions 34 x 3.8 x 0.5 inches
Thread Coverage Partially Threaded
Number of Pieces 5
Screw Head Style Hex
Inside Thread Size 1/4"-20
Maximum Shear Strength 40000 psi
Compatible Groove Diameter 0.25 Inches

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4 out of 5
★★★★☆
34 ratings | 14 reviews
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