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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

OSG Spiral-Flute Taps for Steel & Stainless Steel. Specifications: Model: Spiral-Flute Tap: 5/16-18 UNC, H3 / , 3.

SKU 3G-OTH-218619

Brand
OSG
Item
Spiral-Flute Tap: 5/16-18 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Part Number
0137508
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
Also known as:0137508OSG
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Technical specs
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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
0137508
Model
Spiral-Flute Tap: 5/16-18 UNC, H3 / , 3

Technical Documents

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

Product Description

OSG Spiral-Flute Taps for Steel & Stainless Steel. Specifications: Model: Spiral-Flute Tap: 5/16-18 UNC, H3 / , 3.

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 OSG spiral flute tap 5/16-18 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design pulls chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of OSG spiral flute tap 0137508?

The OSG spiral flute tap has a thread size of 5/16-18 UNC, with a H3 / 2B-3B tolerance class. It features 3 flutes and a bottoming chamfer, making it suitable for threading to the bottom of blind holes. The manufacturer part number is 0137508.

Where to buy OSG spiral flute tap 0137508 worldwide?

3G Electric supplies and delivers the OSG spiral flute tap 0137508 worldwide. We handle full logistics and customs clearance, ensuring reliable delivery to your facility. Contact us for availability and lead time on this precision threading tool.

How to select the right spiral flute tap for steel?

For threading steel, choose a spiral flute tap with a bottoming chamfer for blind holes. The OSG tap with H3 / 2B-3B tolerance ensures proper fit. Match thread size (e.g., 5/16-18 UNC) to your application. Use cutting fluid to extend tool life and improve thread quality.

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
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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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