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OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (5/16"-24 UNF, MPN 1236408) is a general-purpose spiral-point tap with a TiCN-coated high-speed steel construction, H4 / 2B-3B tolerance, plug chamfer, and 3 flutes. 3G Electric interprets…

SKU 3G-OTH-215066

Brand
OSG
Item
Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1236408
Type
H4 / 2B-3B, Plug Chamfer, TiCN Coated High Speed Steel
Flute
3

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

Product Description

The OSG Spiral Point Tap (5/16"-24 UNF, MPN 1236408) is a general-purpose spiral-point tap with a TiCN-coated high-speed steel construction, H4 / 2B-3B tolerance, plug chamfer, and 3 flutes. 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps, and controls as an authorized distributor.

Frequently Asked Questions

What is OSG spiral point tap 5/16-24 UNF used for?

This OSG spiral point tap is designed for through-hole threading in steel and cast iron. Its TiCN coating extends tool life, while the plug chamfer and 3-flute geometry push chips forward, making it ideal for high-production CNC and manual tapping applications.

What are the specifications of OSG tap 1236408?

The OSG tap 1236408 is a 5/16-24 UNF spiral point tap with H4 / 2B-3B tolerance, 3 flutes, plug chamfer, and TiCN coated high speed steel. It is a general purpose tap for through-hole threading, manufactured by OSG.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1236408 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.

How to select the right tap for UNF threads?

For UNF threads like 5/16-24, match the tap to the material and hole type. Use spiral point taps for through holes and spiral flute for blind holes. The H4 / 2B-3B tolerance ensures proper fit. OSG taps with TiCN coating suit harder steels.

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 general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1236208)
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OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1236208)
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OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1236808)
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OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1236805)
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OSG Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1231208)
OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1236400)
OSG
OSG Spiral Point Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1236400)
OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1226408)
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OSG Spiral Point Tap: 5/16"-24 UNF, H2 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1226408)

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OSG Spiral Point Tap: M3x0.5 Metric, D3 / 4H-6H, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1980100)
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