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HELI-COIL 7/8"-14 UNF General Purpose STI Tap, H3 / 3B, Plug Chamfer, 4 Flute - General Purpose STI Taps
HELI-COILGeneral Purpose STI Taps

HELI-COIL 7/8"-14 UNF General Purpose STI Tap, H3 / 3B, Plug Chamfer, 4 Flute

The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose tap for 7/8"-14 UNF threads, with H3 / 3B tolerance and a plug chamfer. It features 4 flutes and is designed for installing HELI-COIL…

SKU 3G-OTH-262141

Also listed as: 819314 · 8193 14

Brand
HELI-COIL
Item
7/8"-14 UNF General Purpose STI Tap, H3 / 3B, Plug Chamfer, 4 Flute
Category
General Purpose STI Taps
Available to Order
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

HELI-COIL
Manufacturer Part Number
8193-14
Type
H3 / 3B, Plug Chamfer
Flute
4
UNF
7/8"-14

Technical Documents

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HELI-COIL Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose tap for 7/8"-14 UNF threads, with H3 / 3B tolerance and a plug chamfer. It features 4 flutes and is designed for installing HELI-COIL screw thread inserts. 3G Electric sources this OEM-specified tool across 14 industrial departments, with specialist expertise in combustion, pumps and controls.

Frequently Asked Questions

What is the HELI-COIL Screw Thread Insert STI Tap 8193-14 used for?

The HELI-COIL 8193-14 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 8193-14?

The HELI-COIL STI Tap 8193-14 has a 7/8"-14 UNF thread size, H3 / 3B tolerance, straight flute design with 4 flutes, and a plug chamfer. It is a general-purpose tap for installing HELI-COIL screw thread inserts, manufactured by HELI-COIL.

Where to buy the HELI-COIL STI Tap 8193-14 worldwide?

You can source the HELI-COIL STI Tap 8193-14 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring reliable supply for your thread repair needs.

How to select the correct HELI-COIL STI Tap for thread repair?

To select the correct HELI-COIL STI tap, match the tap thread size and pitch to the insert you plan to install. For the 8193-14, use a 7/8"-14 UNF insert. Ensure the tap tolerance (H3/3B) aligns with your thread class requirements. Always follow HELI-COIL installation guidelines for best results.

Used in

Common applications for HELI-COIL
Aerospace engine repair — HELI-COIL STI taps for M12x1.75 metric threads in aluminum alloy components
Automotive transmission rebuild — HELI-COIL STI taps for 7/16-14 UNC threads in cast iron housings
Industrial pump maintenance — HELI-COIL STI taps for #10-32 UNF threads in stainless steel pump bodies
Hydraulic cylinder repair — HELI-COIL STI taps for M6x1 metric threads in steel cylinder heads
General manufacturing — HELI-COIL STI taps for 9/16-18 UNF threads in machinery base plates

HELI-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.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 5/8"-18 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 8193-10)
HELI-COIL
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 5/8"-18 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 8193-10)
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H3 / 3B, 4 Flute, Plug Chamfer (MPN 8187-10)
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HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H3 / 3B, 4 Flute, Plug Chamfer (MPN 8187-10)
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 7FPB)
HELI-COIL
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 7FPB)
Straight flute tap for cutting internal threads to accept screw thread inserts. UNF 1"-14 thread size, H4/3B tolerance, plug chamfer, 4 flutes. Used in general-purpose thread repair and reinforcement in metal components
HELI-COIL
Straight flute tap for cutting internal threads to accept screw thread inserts. UNF 1"-14 thread size, H4/3B tolerance, plug chamfer, 4 flutes. Used in general-purpose thread repair and reinforcement in metal components
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 9/16"-18 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 38193-9)
HELI-COIL
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 9/16"-18 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 38193-9)
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H3 / 3B, 4 Flute, Plug Chamfer (MPN 7CPB)
HELI-COIL
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H3 / 3B, 4 Flute, Plug Chamfer (MPN 7CPB)

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