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HELI-COIL #5-40 UNC STI Tap, H1 / 3B, Plug Chamfer, 3 Flute - General Purpose STI Taps
HELI-COILGeneral Purpose STI Taps

HELI-COIL #5-40 UNC STI Tap, H1 / 3B, Plug Chamfer, 3 Flute

The HELI-COIL Screw Thread Insert STI Tap (Straight Flute) is a general-purpose tap designed for #5-40 UNC threads, with H1 / 3B tolerance and a Plug Chamfer. This 3-flute tap, MPN 05CPB, is used to prepare holes for…

SKU 3G-OTH-262134

Also listed as: 05 CPB · 05-CPB

Brand
HELI-COIL
Item
#5-40 UNC STI Tap, H1 / 3B, Plug Chamfer, 3 Flute
Part Number
05CPB
Category
General Purpose STI Taps
Available to Order
Also known as:05CPBHELI-COIL
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

HELI-COIL
Manufacturer Part Number
05CPB
Type
#5-40 UNC, H1 / 3B, Plug Chamfer
Flute
3

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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 designed for #5-40 UNC threads, with H1 / 3B tolerance and a Plug Chamfer. This 3-flute tap, MPN 05CPB, is used to prepare holes for HELI-COIL screw thread inserts.

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 05CPB?

The HELI-COIL STI Tap 05CPB is a straight flute tap with a #5-40 UNC thread size, H1 / 3B tolerance, 3 flutes, and a plug chamfer. It is a general-purpose STI tap manufactured by HELI-COIL, designed for cutting threads to accept HELI-COIL inserts.

Where to buy HELI-COIL STI Tap 05CPB worldwide?

You can source the HELI-COIL STI Tap 05CPB 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 05CPB, use it with #5-40 UNC inserts. Ensure the tap has the correct chamfer (plug) and flute count for your material. Always follow the insert manufacturer's recommended drill and tap specifications.

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
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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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