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Your cart is empty.Helical Insert, Free Running, 304 Stainless Steel, Internal Thread Size 3/8-16, Thread Type UNC, Thread Direction Right Hand, Length 0.562 In, Free Coil Dia. 0.462 In, Tap Sizes 3/8-16 STI, Aluminum Drill Size X, Tensile Strength 200, 000 to 250, 000 PSI, Rockwell Hardness C43-C50, For Metal, Package Quantity 12
Toolpile
2025-08-03 14:56:16
The real thing.
Johns
2025-06-23 16:20:16
these work great for repairing threaded holes
Mark Z.
2025-05-25 13:04:25
Exactly what I wanted
L S.
2025-05-01 16:42:51
I ordered two 3/8x16 packs of 12 Helicoils I received one and a pack of 5/16x18 Otherwise, there is nothing wrong with the product
Art from NJ
2025-04-20 12:21:53
Can't beat the price. If you don't need it that day this is the way to go. If you need it right now then you'll have to pay full list price which is about 4-5 times more. Shipping is fast using standard shipping, only took a few days.
Robbie Smith
2025-02-18 10:21:01
bought this to replace a heli coil that had finally worn out. easy to take old one out and replace
Rod D.
2025-01-23 19:54:02
These are good coils. they work fine.
dano
2025-01-03 13:43:27
One of the best things invented in auto repair shure get you out of a bind quick.
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