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HELI-COIL General Purpose STI Tap, 1"-14 UNF, H4/3B, Plug Chamfer, 4 Flute - General Purpose STI Taps
HELI-COILGeneral Purpose STI Taps

HELI-COIL General Purpose STI Tap, 1"-14 UNF, H4/3B, Plug Chamfer, 4 Flute

The HELI-COIL Screw Thread Insert STI Tap is a general-purpose tap with a straight flute design, specified as 1"-14 UNF, H4 / 3B, 4 Flute, Plug Chamfer (MPN 8193-16). 3G Electric interprets this demand and sources…

SKU 3G-OTH-262091

Also listed as: 819316 · 8193 16

Brand
HELI-COIL
Item
General Purpose STI Tap, 1"-14 UNF, H4/3B, 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
8193-16
Type
H4 / 3B, Plug Chamfer
Flute
4
UNF
1"-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 is a general-purpose tap with a straight flute design, specified as 1"-14 UNF, H4 / 3B, 4 Flute, Plug Chamfer (MPN 8193-16). 3G Electric interprets this demand and sources the exact OEM-specified tool, supporting your thread-repair or installation needs across 14 industrial departments — with specialist depth in combustion, pumps and controls as an authorised distributor.

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 8193-16?

The HELI-COIL STI Tap model 8193-16 is a straight flute tap with a 1"-14 UNF thread size, H4/3B tolerance, 4 flutes, and a plug chamfer. It is designed for cutting threads to accept HELI-COIL inserts, ensuring precise thread engagement and strength.

Where to buy the HELI-COIL STI Tap 8193-16 worldwide?

You can source the HELI-COIL STI Tap 8193-16 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?

Select the STI tap that matches the thread size and pitch of the HELI-COIL insert you plan to install. For the 8193-16, use it with 1"-14 UNF inserts. Ensure the tap chamfer (plug) suits your application depth. 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, 1"-12 UNF, H4 / 3B, 4 Flute, Plug Chamfer (MPN 8193-161)
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HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 1"-12 UNF, H4 / 3B, 4 Flute, Plug Chamfer (MPN 8193-161)
Straight flute STI tap for cutting internal threads to accept screw thread inserts. UNF thread size 1 3/8"-12 with H4 / 3B tolerance and plug chamfer. Suitable for general-purpose thread repair and reinforcement in metal components
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Straight flute STI tap for cutting internal threads to accept screw thread inserts. UNF thread size 1 3/8"-12 with H4 / 3B tolerance and plug chamfer. Suitable for general-purpose thread repair and reinforcement in metal components
HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 8193-12)
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HELI-COIL Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H3 / 3B, 4 Flute, Plug Chamfer (MPN 8193-12)
Straight flute STI tap for cutting internal threads to accept HELI-COIL screw thread inserts. UNC 1"-8 thread size with H4/3B tolerance and plug chamfer. Used in metalworking for thread repair or reinforcement in softer materials
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Straight flute STI tap for cutting internal threads to accept HELI-COIL screw thread inserts. UNC 1"-8 thread size with H4/3B tolerance and plug chamfer. Used in metalworking for thread repair or reinforcement in softer materials
This STI tap is designed for cutting internal threads to accept HELI-COIL screw thread inserts. It features a 1 1/8"-7 UNC thread size with H4 / 3B tolerance and a plug chamfer, with 4 straight flutes for chip evacuation. Used in metalworking applications for thread repair or reinforcement in components such as engine blocks and machinery housings
HELI-COIL
This STI tap is designed for cutting internal threads to accept HELI-COIL screw thread inserts. It features a 1 1/8"-7 UNC thread size with H4 / 3B tolerance and a plug chamfer, with 4 straight flutes for chip evacuation. Used in metalworking applications for thread repair or reinforcement in components such as engine blocks and machinery housings
This STI tap is designed for cutting internal threads in pre-drilled holes prior to installing screw thread inserts. It features a 1 1/4"-12 UNF thread, H4 / 3B tolerance, plug chamfer, and 6 straight flutes. Commonly used in automotive, aerospace, and industrial maintenance for thread repair or reinforcement in metal components
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This STI tap is designed for cutting internal threads in pre-drilled holes prior to installing screw thread inserts. It features a 1 1/4"-12 UNF thread, H4 / 3B tolerance, plug chamfer, and 6 straight flutes. Commonly used in automotive, aerospace, and industrial maintenance for thread repair or reinforcement in metal components

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