HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 1 3/8"-12 UNF, H4 / 3B, 6 Flute
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose STI tap with a 1 3/8"-12 UNF thread, H4 / 3B tolerance, 6 flutes, and a plug chamfer (MPN 8193-22). 3G Electric interprets this demand…
SKU 3G-OTH-262125
Also listed as: 819322 · 8193 22
Local availability & support
- Delivery
- Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
- Payment
- Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.
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Product Description
The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose STI tap with a 1 3/8"-12 UNF thread, H4 / 3B tolerance, 6 flutes, and a plug chamfer (MPN 8193-22). 3G Electric interprets this demand and sources the genuine OEM product, backed by specialist expertise across 14 industrial departments.
Frequently Asked Questions
What is the HELI-COIL Screw Thread Insert STI Tap used for?
The HELI-COIL STI Tap is used to cut internal threads for installing HELI-COIL screw thread inserts. It is designed for general-purpose thread repair and reinforcement in metal components, commonly used in automotive, aerospace, and industrial maintenance applications.
What are the specifications of the HELI-COIL STI Tap 8193-22?
This STI tap has a UNF thread size of 1 3/8"-12, with a tolerance of H4 / 3B and a plug chamfer. It features 6 straight flutes and is manufactured by HELI-COIL under part number 8193-22. It is designed for cutting threads to accept HELI-COIL inserts.
Where to buy HELI-COIL STI Tap 8193-22 worldwide?
3G Electric supplies the HELI-COIL STI Tap 8193-22 worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.
How to select the correct HELI-COIL STI Tap for thread repair?
Select an STI tap that matches the thread size and pitch of the HELI-COIL insert you plan to install. For this tap, use a 1 3/8"-12 UNF insert. Ensure the tap has a plug chamfer for general-purpose threading and the correct tolerance (H4 / 3B) for the desired class of fit.
Used in
Common applications for HELI-COILHELI-COIL Products
3G Electric supplies HELI-COIL general purpose sti taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.
