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OSG 7/16"-20 UNF Straight-Flute Machine Tap for Hardened Steel - Straight-Flute Machine Taps for Hardened Steel
OSGStraight-Flute Machine Taps for Hardened Steel

OSG 7/16"-20 UNF Straight-Flute Machine Tap for Hardened Steel

The OSG Straight Flute Tap (7/16"-20 UNF) is a carbide machine tap for hardened steel, featuring a 2B thread class, modified bottoming chamfer, V coating, and 5 flutes (MPN 3111308). 3G Electric interprets this…

SKU 3G-OTH-216434

Brand
OSG
Item
7/16"-20 UNF Straight-Flute Machine Tap for Hardened Steel
Part Number
3111308
Category
Straight-Flute Machine Taps for Hardened Steel
Available to Order
Also known as:3111308OSG
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
3111308
Type
2B, Modified Bottoming Chamfer, V Coated Carbide
Flute
5

Technical Documents

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

Product Description

The OSG Straight Flute Tap (7/16"-20 UNF) is a carbide machine tap for hardened steel, featuring a 2B thread class, modified bottoming chamfer, V coating, and 5 flutes (MPN 3111308). 3G Electric interprets this demand and sources the genuine OSG product, backed by specialist expertise across 14 industrial departments—including cutting tools—to ensure you get the right solution.

Frequently Asked Questions

What is OSG straight flute tap 3111308 used for?

This OSG straight flute tap is designed for threading hardened steel. Its V coated carbide construction and modified bottoming chamfer allow it to cut threads in tough materials where standard taps fail, making it essential for die and mold work.

What are the specifications of OSG tap 3111308?

The OSG tap 3111308 is a 7/16"-20 UNF, 2B class fit, with 5 flutes, a modified bottoming chamfer, and V coated carbide. It is a straight flute machine tap engineered for threading hardened steel up to 45 HRC.

Where to buy OSG tap 3111308 worldwide?

3G Electric supplies the OSG 3111308 straight flute tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility, ensuring you get the correct threading tool for hardened steel applications.

How to select the right tap for hardened steel?

For hardened steel, choose a tap with carbide construction and a modified bottoming chamfer like the OSG 3111308. Ensure the thread size (7/16"-20 UNF) and class (2B) match your application. Use proper cutting fluid and rigid tapping techniques to extend tool life.

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
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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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Straight-flute machine tap designed for threading hardened steel. Features a modified bottoming chamfer for blind or through holes, with H4 / 2B-3B tolerance and 5 flutes. Suitable for precision internal threading applications in tool and die, automotive, and aerospace manufacturing
OSG
Straight-flute machine tap designed for threading hardened steel. Features a modified bottoming chamfer for blind or through holes, with H4 / 2B-3B tolerance and 5 flutes. Suitable for precision internal threading applications in tool and die, automotive, and aerospace manufacturing

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