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OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (5/16"-18 UNC) is a general-purpose spiral-point tap with an H5 / 2B-3B tolerance, 2-flute design, plug chamfer, and TiCN-coated high-speed steel construction (MPN 1240808). 3G Electric…

SKU 3G-OTH-214654

Brand
OSG
Item
Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Local availability & support

Delivery
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
1240808
Type
H5 / 2B-3B, Plug Chamfer, TiCN Coated High Speed Steel
Flute
2

Technical Documents

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

Product Description

The OSG Spiral Point Tap (5/16"-18 UNC) is a general-purpose spiral-point tap with an H5 / 2B-3B tolerance, 2-flute design, plug chamfer, and TiCN-coated high-speed steel construction (MPN 1240808). 3G Electric interprets your demand for this OEM-specified tool and delivers it across 14 industrial departments — with specialist depth in combustion, pumps, and controls as a trust anchor, not a limit.

Frequently Asked Questions

What is the OSG spiral point tap 1240808 used for?

This OSG spiral point tap is designed for through-hole threading in production environments. Its TiCN coating and H5 tolerance suit ferrous and non-ferrous materials, delivering consistent thread quality in machining, automotive, and general manufacturing applications.

What are the specifications of the OSG 1240808 tap?

The OSG 1240808 is a 5/16"-18 UNC spiral point tap with 2 flutes, plug chamfer, and TiCN coated high speed steel. It has an H5 / 2B-3B tolerance class, making it suitable for precision threading in through-hole applications.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1240808 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 OSG tap for through holes?

For through holes, choose a spiral point tap like the OSG 1240808 to push chips ahead. Match thread size (5/16"-18 UNC), chamfer type (plug), and coating (TiCN) to your material. Always verify tolerance class (H5) against your required thread fit.

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"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1240805)
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OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1240805)
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1240800)
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OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1240800)
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1241008)
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OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1241008)
OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1240208)
OSG
OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1240208)
OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1240008)
OSG
OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1240008)
OSG Spiral Point Tap: 5/16"-18 UNC, H1 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1220808)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H1 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1220808)

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