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OSG Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (1/4"-28 UNF) is a spiral-point tap for steel and stainless steel, featuring a H4 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes (MPN 1700308).

SKU 3G-OTH-224037

Brand
OSG
Item
Spiral Point Tap: 1/4"-28 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1700308
Type
H4 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (1/4"-28 UNF) is a spiral-point tap for steel and stainless steel, featuring a H4 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes (MPN 1700308).

Frequently Asked Questions

What is the OSG Spiral Point Tap 1/4"-28 UNF used for?

This OSG spiral point tap is designed for threading blind or through holes in steel and stainless steel. Its V coated powdered metal construction and plug chamfer make it suitable for high-speed production tapping, providing chip evacuation forward through the hole.

What are the specifications of the OSG Spiral Point Tap 1/4"-28 UNF?

The OSG tap has a 1/4"-28 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, plug chamfer, and V coated powdered metal. The manufacturer part number is 1700308. It is designed for steel and stainless steel applications.

Where to buy OSG Spiral Point Tap 1/4"-28 UNF worldwide?

3G Electric supplies the OSG Spiral Point Tap 1/4"-28 UNF (MPN 1700308) worldwide. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG spiral point tap for steel?

Select based on thread size (e.g., 1/4"-28 UNF), material (steel or stainless steel), and tolerance class (H4 / 2B-3B). OSG's V coated powdered metal taps offer wear resistance for production runs. Confirm chamfer type—plug chamfer suits through holes.

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 steel & stainless steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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