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OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (3/8"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704401).

SKU 3G-OTH-218938

Brand
OSG
Item
Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1704401
Type
H4 / 2B-3B, Modified Bottoming Chamfer
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (3/8"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1704401).

Frequently Asked Questions

What is the OSG spiral flute tap 1704401 used for?

The OSG spiral flute tap 1704401 is designed for threading steel and stainless steel. Its spiral flute design efficiently evacuates chips upward, making it ideal for blind-hole threading applications where chip clearance is critical.

What are the specifications of the OSG tap 1704401?

This OSG tap has a 3/8"-24 UNF thread size, H4 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel, with part number 1704401.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us to source the OSG spiral flute tap 1704401 or other OSG threading tools for your industrial needs.

How to select the correct OSG tap for stainless steel?

For stainless steel, choose a spiral flute tap like the OSG 1704401 with H4 tolerance and modified bottoming chamfer. Ensure the tap matches your thread size (3/8"-24 UNF) and hole type (blind or through). Proper cutting fluid and speed are essential for thread quality.

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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