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OSG 31402101 Spiral-Point STI Tap - Spiral-Point STI Taps for Multiple Materials
OSGSpiral-Point STI Taps for Multiple Materials

OSG 31402101 Spiral-Point STI Tap

The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1/2"-13 UNC with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31402101). 3G Electric interprets this demand…

SKU 3G-OTH-284640

Brand
OSG
Item
31402101 Spiral-Point STI Tap
Part Number
31402101
Category
Spiral-Point STI Taps for Multiple Materials
Available to Order
Also known as:31402101OSG
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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.

Technical Specifications

OSG
Manufacturer Part Number
31402101
Type
H4 / 2B-3B, Plug Chamfer
Flute
3
UNC
1/2"-13

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Screw Thread Insert STI Tap is a spiral-point tap for multiple materials, specified as 1/2"-13 UNC with H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer (MPN 31402101). 3G Electric interprets this demand and sources the genuine OSG tool, backed by specialist expertise across 14 industrial departments — including cutting tools — to ensure you get the right solution.

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap used for?

The OSG Screw Thread Insert STI Tap is used to cut internal threads in multiple materials before installing a screw thread insert. It is commonly applied in automotive, aerospace, and general manufacturing where thread repair or reinforcement is needed.

What are the specifications of the OSG 31402101 STI Tap?

The OSG 31402101 is a spiral-point STI tap with a 1/2"-13 UNC thread, H4 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for tapping holes that will accept screw thread inserts in various materials.

Where to buy the OSG 31402101 STI Tap worldwide?

You can source the OSG 31402101 STI Tap worldwide through 3G Electric. We handle full logistics, customs clearance, and delivery to global destinations as an industrial equipment supplier.

How to select the correct OSG STI tap for a thread insert?

Select an OSG STI tap by matching the thread size and pitch (e.g., 1/2"-13 UNC) to the insert requirements. Use the H4 / 2B-3B tolerance class for standard fits. Always verify the chamfer type—plug chamfer suits most general applications.

Used in

Common applications for OSG
Automotive engine block production — OSG micro drill bits for oil gallery and coolant passage drilling in cast iron
Medical device manufacturing — OSG micro drill bits for drilling bone screw pilot holes in stainless steel implants
Aerospace component machining — OSG micro drill bits for fastener holes in titanium alloy structural parts
Mold and die making — OSG micro drill bits for cooling channel drilling in hardened tool steel (HRC 45-50)
Electronics enclosure fabrication — OSG micro drill bits for precision holes in aluminum alloy housings (with appropriate coating selection)
General engineering job shops — OSG micro drill bits for small-diameter hole drilling in mild steel and alloy steel parts
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OSG Products

3G Electric supplies OSG spiral-point sti taps for multiple materials. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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