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OSG Straight Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 4 Flute - Straight-Flute Machine Taps for Hardened Steel
OSGStraight-Flute Machine Taps for Hardened Steel

OSG Straight Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 4 Flute

The OSG Straight Flute Tap (1/4"-20 UNC) is a straight-flute machine tap for hardened steel, featuring an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1005111408). 3G Electric interprets this…

SKU 3G-OTH-216415

Brand
OSG
Item
Straight Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 4 Flute
Category
Straight-Flute Machine Taps for Hardened Steel
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Technical Specifications

OSG
Manufacturer Part Number
1005111408
Type
H5 / 2B-3B, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Straight Flute Tap (1/4"-20 UNC) is a straight-flute machine tap for hardened steel, featuring an H5 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer (MPN 1005111408). 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist expertise across 14 industrial departments.

Frequently Asked Questions

What is the OSG Straight Flute Tap 1/4"-20 UNC used for?

This OSG straight flute tap is designed for threading hardened steel. It creates internal threads in blind or through holes using a modified bottoming chamfer, making it suitable for precision tapping in tool and die, automotive, and aerospace applications where thread accuracy is critical.

What are the specifications of the OSG Straight Flute Tap 1/4"-20 UNC?

The tap has a 1/4"-20 UNC thread size, H5 / 2B-3B tolerance class, 4 flutes, and a modified bottoming chamfer. The OSG manufacturer part number is 1005111408. It is a straight-flute machine tap engineered for hardened steel, ensuring consistent thread quality.

Where to buy the OSG Straight Flute Tap 1/4"-20 UNC worldwide?

3G Electric supplies the OSG Straight Flute Tap 1/4"-20 UNC worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this precision tap to any country.

How to select the correct OSG straight flute tap for hardened steel?

Select a tap with the correct thread size, such as 1/4"-20 UNC, and a tolerance class like H5 / 2B-3B for hardened steel. Use a modified bottoming chamfer for blind holes. OSG taps are engineered for this material; ensure machine speed and coolant match manufacturer recommendations for optimal 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 straight-flute machine taps for hardened steel. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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