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

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

The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1651502108) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction. 3G…

SKU 3G-OTH-224410

Brand
OSG
Item
Spiral Point Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point Taps for Steel & Stainless Steel
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
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Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1651502108
Type
H3 / 2B-3B, Plug Chamfer, V Coated Powdered Metal
Flute
3

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

Product Description

The OSG Spiral Point Tap (5/16"-18 UNC, MPN 1651502108) is a spiral-point tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, plug chamfer, 3 flutes, and V coated powdered metal construction. 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.

Frequently Asked Questions

What is OSG spiral point tap 5/16-18 UNC used for?

OSG spiral point taps are designed for through-hole threading in steel and stainless steel. The V coated powdered metal construction provides wear resistance and chip evacuation, making it suitable for high-production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of OSG spiral point tap 5/16-18 UNC?

This OSG tap has a 5/16-18 UNC thread, H3 / 2B-3B tolerance, 3 flutes, plug chamfer, and V coated powdered metal. The spiral point design pushes chips forward, ideal for through-hole threading. Manufacturer part number is 1651502108.

Where to buy OSG spiral point tap 5/16-18 UNC worldwide?

3G Electric supplies OSG spiral point taps worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this 5/16-18 UNC tap.

How to select the right spiral point tap for steel?

For steel and stainless steel, choose a spiral point tap with a plug chamfer and coating like V coated powdered metal for heat resistance. Match thread size (e.g., 5/16-18 UNC) and tolerance class (H3 / 2B-3B) to your application. OSG taps are a reliable choice for consistent 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

OSG Products

3G Electric supplies OSG spiral-point 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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Cross-referenced by specification & description
OSG Spiral Point Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502508)
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OSG Spiral Point Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502508)
OSG Spiral Point Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651503108)
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OSG Spiral Point Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651503108)
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OSG Spiral Point Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502908)
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OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502308)
OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651501708)
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OSG Spiral Point Tap: 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651501708)
OSG Spiral Point Tap: 5/8"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651504308)
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OSG Spiral Point Tap: 5/8"-18 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651504308)

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