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OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

SKU 3G-OTH-218613

Brand
OSG
Item
Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650511108
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is an OSG spiral flute tap used for?

An OSG spiral flute tap is used for threading blind holes in steel and stainless steel. Its spiral flute design lifts chips upward, preventing clogging and enabling clean threads in deep or blind-hole applications. This V coated powdered metal tap provides durability and precision for demanding industrial threading operations.

What are the specifications of the OSG spiral flute tap 1650511108?

This OSG tap has a 5/16"-18 UNC thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of V coated powdered metal for wear resistance. The manufacturer part number is 1650511108, and it is designed for threading steel and stainless steel in blind holes.

Where to buy OSG spiral flute taps worldwide?

3G Electric supplies OSG spiral flute taps worldwide. We source genuine industrial equipment and handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this OSG tap model 1650511108 or other threading tools across our 14 industrial departments.

How to select the right spiral flute tap for steel?

Select a spiral flute tap based on thread size, tolerance class, and material. For steel and stainless steel blind holes, choose a bottoming chamfer tap with V coating for heat resistance. Ensure the tap's H3 / 2B-3B tolerance matches your required thread fit. OSG powdered metal taps offer extended tool life in tough materials.

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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