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OSG Spiral Flute Tap: 1/4"-28 UNF, H5 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1/4"-28 UNF, H5 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (1/4"-28 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer (MPN 1703708). 3G Electric interprets…

SKU 3G-OTH-219143

Brand
OSG
Item
Spiral Flute Tap: 1/4"-28 UNF, H5 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1703708
Type
H5 / 2B-3B, Modified Bottoming Chamfer
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (1/4"-28 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, 3-flute design, and modified bottoming chamfer (MPN 1703708). 3G Electric interprets demand and sources this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Frequently Asked Questions

What is the OSG spiral flute tap 1/4"-28 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise internal threads.

What are the specifications of the OSG 1703708 tap?

The OSG 1703708 is a spiral flute tap with thread size 1/4"-28 UNF, H5 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel, ensuring accurate thread formation and chip evacuation in blind-hole applications.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1703708 to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. As a global industrial solutions provider, we source genuine OSG cutting tools and support your procurement with technical expertise across 14 departments.

How to select the right spiral flute tap for steel?

For steel and stainless steel, choose a spiral flute tap with a modified bottoming chamfer like the OSG 1703708 to manage chip evacuation in blind holes. Match thread size (e.g., 1/4"-28 UNF) and tolerance class (H5 / 2B-3B) to your application. Consult 3G Electric for guidance on material-specific coatings and speeds.

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-flute 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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