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OSG 5/16"-32 UNEF Spiral-Flute Tap - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG 5/16"-32 UNEF Spiral-Flute Tap

The OSG Spiral Flute Tap (5/16"-32 UNEF) is a bottoming-chamfer, 3-flute tap made from V-coated powdered metal, with an H3 / 2B-3B tolerance class (MPN 1650511508). Designed for threading steel and stainless steel…

SKU 3G-OTH-217838

Brand
OSG
Item
5/16"-32 UNEF Spiral-Flute Tap
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
1650511508
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
3

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

Product Description

The OSG Spiral Flute Tap (5/16"-32 UNEF) is a bottoming-chamfer, 3-flute tap made from V-coated powdered metal, with an H3 / 2B-3B tolerance class (MPN 1650511508). Designed for threading steel and stainless steel, it delivers precise thread formation in demanding industrial applications.

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 5/16-32 UNEF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its V coated powdered metal construction and bottoming chamfer allow it to cut threads close to the bottom of a hole, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 5/16-32 UNEF?

The OSG spiral flute tap has a thread size of 5/16-32 UNEF, with a H3 / 2B-3B tolerance class. It features 3 flutes, a bottoming chamfer, and a V coating on powdered metal. The manufacturer part number is 1650511508.

Where to buy OSG spiral flute taps worldwide?

You can source OSG spiral flute taps worldwide through 3G Electric, 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 and other OSG tooling.

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

For steel and stainless steel, choose a spiral flute tap with a bottoming chamfer for blind holes. The OSG V coated powdered metal tap offers good wear resistance. Ensure the thread size and tolerance (e.g., H3 / 2B-3B) match your application requirements. Consult OSG's technical data for optimal speeds and feeds.

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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