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OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Cobalt (MPN 1745500) - Hand Taps for Mold & Tool Steels
OSGHand Taps for Mold & Tool Steels

OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Cobalt (MPN 1745500)

SKU 3G-OTH-265668

Brand
OSG
Item
Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, Cobalt
Category
Hand Taps for Mold & Tool Steels
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Technical Specifications

OSG
Manufacturer Part Number
1745500
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG straight flute tap 1745500 used for?

The OSG 1745500 straight flute tap is designed for threading mold and tool steels. Its cobalt construction and plug chamfer make it suitable for through-hole and blind-hole tapping in hardened materials up to 45 HRC, common in die and mold manufacturing.

What are the specifications of OSG tap 1745500?

This OSG tap has a 1/4"-20 UNC thread size, H3 tolerance for 2B/3B fit, 3 flutes, and a plug chamfer. It is made from cobalt high-speed steel for heat resistance and wear life in tough alloys. Manufacturer part number is 1745500.

Where to buy OSG 1745500 tap worldwide?

3G Electric supplies the OSG 1745500 straight flute tap to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this cobalt tap for mold and tool steel threading.

How to select the right tap for mold steel?

For mold and tool steels, choose a cobalt or carbide tap with a plug chamfer for blind holes. The OSG 1745500 with H3 tolerance provides precise thread fit in hardened materials. Ensure proper lubrication and peck tapping to reduce tool wear and breakage.

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 hand taps for mold & tool steels. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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