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OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Aerospace Materials
OSGSpiral-Point Taps for Aerospace Materials

OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (#12-28 UNF, MPN 1101516105) is a TiN-coated cobalt tap with a plug chamfer, 3 flutes, and H3 / 2B-3B tolerance class, designed for threading in aerospace materials. 3G Electric sources this…

SKU 3G-OTH-231949

Brand
OSG
Item
Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Aerospace Materials
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
1101516105
Type
H3 / 2B-3B, Plug Chamfer, TiN Coated Cobalt
Flute
3

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

Product Description

The OSG Spiral Point Tap (#12-28 UNF, MPN 1101516105) is a TiN-coated cobalt tap with a plug chamfer, 3 flutes, and H3 / 2B-3B tolerance class, designed for threading in aerospace materials. 3G Electric sources this specialist tool as part of our broad industrial supply across 14 departments, with deep expertise in combustion, pumps, and controls ensuring accurate sourcing and support.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG Spiral Point Tap #12-28 UNF used for?

This OSG spiral point tap is designed for threading aerospace materials. Its TiN-coated cobalt construction and plug chamfer make it suitable for through-hole tapping in high-strength alloys, delivering precise #12-28 UNF threads with H3 tolerance for 2B-3B class fit.

What are the specifications of the OSG Spiral Point Tap 1101516105?

The OSG tap has a #12-28 UNF thread size, H3 / 2B-3B tolerance, 3-flute design, plug chamfer, and TiN-coated cobalt material. It is a spiral-point tap optimized for aerospace materials, with manufacturer part number 1101516105.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us to source the OSG Spiral Point Tap #12-28 UNF (MPN 1101516105) for your aerospace threading needs.

How to select the right OSG tap for aerospace materials?

For aerospace materials, choose a tap with TiN coating for wear resistance and a plug chamfer for through-hole threading. The OSG spiral point tap with H3 tolerance ensures proper thread fit. Match thread size (e.g., #12-28 UNF) and flute count to your application for optimal chip evacuation.

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

OSG Products

3G Electric supplies OSG spiral-point taps for aerospace materials. 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
OSG Spiral Point Tap: #12-28 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101516405)
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OSG Spiral Point Tap: #12-28 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101516405)
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Spiral-point tap for through-hole threading in high-strength alloys. Features TiN-coated cobalt construction, plug chamfer, and 3 flutes for efficient chip evacuation. Tolerance H5 / 2B-3B. Suitable for aerospace material applications
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Spiral-point tap for through-hole threading in high-strength alloys. Features TiN-coated cobalt construction, plug chamfer, and 3 flutes for efficient chip evacuation. Tolerance H5 / 2B-3B. Suitable for aerospace material applications
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OSG Spiral Point Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517605)
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OSG Spiral Point Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517605)
OSG Spiral Point Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517805)
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OSG Spiral Point Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated Cobalt (MPN 1101517805)

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