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OSG Straight Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 4 Flute - Straight-Flute Machine Taps for Aluminum
OSGStraight-Flute Machine Taps for Aluminum

OSG Straight Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 4 Flute

SKU 3G-OTH-211109

Brand
OSG
Item
Straight Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 4 Flute
Category
Straight-Flute Machine Taps for Aluminum
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Technical Specifications

OSG
Manufacturer Part Number
1005201208
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG straight flute tap 7/16"-20 UNF used for?

This OSG straight flute tap is designed for threading aluminum and non-ferrous materials. Its 4-flute design and bottoming chamfer allow it to cut threads close to the bottom of blind holes. It is commonly used in automotive, aerospace, and general manufacturing applications requiring precise UNF threads.

What are the specifications of the OSG straight flute tap 1005201208?

The OSG straight flute tap has a thread size of 7/16"-20 UNF, with a ground thread tolerance of H3 / 2B-3B. It features 4 flutes and a bottoming chamfer. The manufacturer part number is 1005201208. It is designed for machine tapping in aluminum and other soft materials.

Where to buy the OSG straight flute tap 7/16"-20 UNF worldwide?

You can source the OSG straight flute tap 7/16"-20 UNF from 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time on this and other OSG threading tools.

How to select the correct OSG tap for aluminum threading?

For aluminum threading, select a tap with a ground thread tolerance like H3 / 2B-3B to ensure proper fit. Straight flute taps with 4 flutes and a bottoming chamfer, such as this OSG model, work well for blind holes. Always match the tap size to the required thread specification and material hardness.

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

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