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OSG Spiral Point Tap: #4-48 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Aerospace Materials
OSGSpiral-Point Taps for Aerospace Materials

OSG Spiral Point Tap: #4-48 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (#4-48 UNF, MPN 1101515705) is a H4 / 2B-3B, plug chamfer, TiN coated cobalt tap with 3 flutes, designed for threading aerospace materials. 3G Electric interprets this demand and supplies…

SKU 3G-OTH-232188

Brand
OSG
Item
Spiral Point Tap: #4-48 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Aerospace Materials
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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
1101515705
Type
H4 / 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 (#4-48 UNF, MPN 1101515705) is a H4 / 2B-3B, plug chamfer, TiN coated cobalt tap with 3 flutes, designed for threading aerospace materials. 3G Electric interprets this demand and supplies this genuine industrial cutting tool, backed by specialist sourcing and support across 14 industrial departments.

Frequently Asked Questions

What is the OSG Spiral Point Tap #4-48 UNF used for?

This OSG spiral point tap is designed for threading #4-48 UNF holes in aerospace materials. Its TiN-coated cobalt construction and plug chamfer make it suitable for through-hole tapping in high-strength alloys, providing chip evacuation forward to reduce breakage.

What are the specifications of the OSG Spiral Point Tap #4-48 UNF?

The OSG tap has a #4-48 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, plug chamfer, and TiN-coated cobalt material. The manufacturer part number is 1101515705. It is designed for aerospace materials and through-hole applications.

Where to buy the OSG Spiral Point Tap #4-48 UNF worldwide?

3G Electric supplies the OSG Spiral Point Tap #4-48 UNF (MPN 1101515705) worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG tap for aerospace threading?

Select based on thread size (e.g., #4-48 UNF), material (TiN-coated cobalt for aerospace alloys), chamfer type (plug for through-holes), and tolerance class (H4 / 2B-3B). Ensure the tap matches the hole type and material hardness to avoid breakage.

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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