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OSG Spiral Flute Tap: 1 1/4"-7 UNC, H10 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1 1/4"-7 UNC, H10 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (1 1/4"-7 UNC, MPN 1650507408) is a spiral-flute tap for steel and stainless steel, featuring a H10 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets…

SKU 3G-OTH-217932

Brand
OSG
Item
Spiral Flute Tap: 1 1/4"-7 UNC, H10 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650507408
Type
H10 / 2B-3B, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (1 1/4"-7 UNC, MPN 1650507408) is a spiral-flute tap for steel and stainless steel, featuring a H10 / 2B-3B tolerance, 4 flutes, and a modified bottoming chamfer. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG spiral flute tap used for?

The OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and enabling efficient, clean threading in deep or blind-hole applications common in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG spiral flute tap 1650507408?

This OSG tap has a thread size of 1 1/4"-7 UNC, a ground thread tolerance of H10 / 2B-3B, 4 flutes, and a modified bottoming chamfer. It is designed for steel and stainless steel. The manufacturer part number is 1650507408.

Where to buy OSG taps in worldwide?

You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG spiral flute tap model 1650507408.

How to select the correct OSG tap for stainless steel?

For stainless steel, choose a spiral flute tap with a ground thread tolerance like H10 / 2B-3B for precise fit. Ensure the tap is designed for steel and stainless steel, as OSG offers specific geometries for chip evacuation. Match thread size and chamfer type to your hole depth and material.

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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