HHIP 1011-0081 1/4-20 Helical STI Thread Repair Kit, 31 Piece
HHIP 1011-0081 1/4-20 Helical STI Thread Repair Kit, 31 Piece
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The HHIP 1011-0081 31 Piece 1-4-20 Helical STI Thread Repair Kit is a complete thread repair kit built to restore stripped or worn 1/4-20 threaded holes to full strength. At its core is a system of helical coil inserts that recreate precise, durable threads in damaged metal, plastic, or wood components, giving technicians and machinists a dependable way to rebuild a fastener connection without replacing the entire part.
This 31 piece 1/4-20 helical insert set includes the tap, stainless steel coil inserts, and the installation tool needed to complete a repair from start to finish, so users are not left searching for compatible components. Because the kit follows the STI thread repair standard, it works well for anyone dealing with stripped threads in automotive blocks, machinery housings, or general fabrication work. The stainless steel construction of the inserts resists corrosion and holds up under repeated stress, making the repair as strong as, or stronger than, the original threading. Having taps, inserts, and tools together in one kit also saves time compared to sourcing each part separately.
This thread repair kit suits mechanics, machine shop operators, maintenance crews, and hobbyists who regularly encounter stripped 1/4-20 threads and want a self-contained fix on hand. For anyone who values having a reliable helicoil-style repair kit ready for unexpected thread damage, this HHIP set delivers the taps, inserts, and installation tool needed to get the job done correctly the first time.
📦 Shipping Information
United States Orders: Shipped via Chit Chats Express . Estimated delivery: 4–7 business days
Canadian Orders:Orders are shipped via Chit Chats. Estimated delivery is typically 2–6 business days, depending on destination and carrier processing times.
International Orders:Shipped with Chit Chats or Canada Post, depending on service availability. Estimated delivery: 7–15 business days (varies by destination).
Returns & Refunds Policy: We offer a 30-day return window. Items must be gently used, in their original packaging and not have major signs of use/damage
Customs Duties & Import Fees: Orders shipped outside Canada may be subject to import duties, taxes, or customs fees. For U.S. orders, all duties are pre-paid and included—no extra charges at delivery.
Disclaimer: At DaveyDooDeals, our products are sourced from trusted channels, including surplus warehouses, authorized distributors, and carefully selected clearance inventories. While many items are new and unused, some are reclaimed from decommissioned equipment or overstock. Each listing clearly states the item’s condition and any known defects. In the unlikely event that a defect is missed, our 30-day return policy has you covered.
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