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OSG Spiral Flute Tap: 1"-12 UNF, H4 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1"-12 UNF, H4 / 2B-3B, 4 Flute

SKU 3G-OTH-217926

Brand
OSG
Item
Spiral Flute Tap: 1"-12 UNF, H4 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650505508
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is OSG spiral flute tap used for?

OSG spiral flute taps are designed for threading blind holes in steel and stainless steel. The spiral flute design lifts chips upward, preventing clogging and ensuring clean threads. This tap is ideal for automotive, aerospace, and general manufacturing applications requiring precise internal threading.

What are the specifications of OSG spiral flute tap 1650505508?

This OSG spiral flute tap has a thread size of 1"-12 UNF, with a H4 / 2B-3B tolerance class. It features 4 flutes and a modified bottoming chamfer, making it suitable for threading blind holes in steel and stainless steel. The manufacturer part number is 1650505508.

Where to buy OSG spiral flute tap 1650505508 worldwide?

3G Electric supplies OSG spiral flute taps worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap.

How to select the right OSG spiral flute tap for steel?

Select an OSG spiral flute tap based on thread size, pitch, and material. For steel and stainless steel, use taps with H4 / 2B-3B tolerance for precise fit. Ensure the chamfer type matches your hole depth—modified bottoming chamfer works for blind holes. Always match tap coating to 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 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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