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OSG Straight Flute Tap: 1"-8 UNC, H1 / 2B-3B, 4 Flute, Plug Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: 1"-8 UNC, H1 / 2B-3B, 4 Flute, Plug Chamfer

The OSG Straight Flute Tap (1"-8 UNC) is a general purpose hand tap with a TiCN coated high speed steel construction, featuring a plug chamfer and 4 flutes. It is classified as H1 / 2B-3B (MPN 1071808). 3G Electric…

SKU 3G-OTH-221685

Brand
OSG
Item
Straight Flute Tap: 1"-8 UNC, H1 / 2B-3B, 4 Flute, Plug Chamfer
Category
General Purpose Hand Taps
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Local availability & support

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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
1071808
Type
H1 / 2B-3B, Plug Chamfer, TiCN Coated High Speed Steel
Flute
4

Technical Documents

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

Product Description

The OSG Straight Flute Tap (1"-8 UNC) is a general purpose hand tap with a TiCN coated high speed steel construction, featuring a plug chamfer and 4 flutes. It is classified as H1 / 2B-3B (MPN 1071808). 3G Electric interprets this demand and sources the genuine OSG product, supporting customers across 14 industrial departments with specialist depth in combustion, pumps and controls.

Frequently Asked Questions

What is the OSG Straight Flute Tap 1"-8 UNC used for?

This OSG straight flute tap is used for cutting internal threads in through or blind holes in a wide range of materials. It is ideal for general-purpose hand tapping in maintenance, repair, and production environments across industries like automotive, aerospace, and general manufacturing.

What are the specifications of the OSG Straight Flute Tap 1"-8 UNC?

This OSG tap has a 1"-8 UNC thread size, H1 / 2B-3B class of fit, 4 flutes, and a plug chamfer. It is made of TiCN coated high speed steel for extended tool life. The manufacturer part number is 1071808.

Where to buy the OSG Straight Flute Tap 1"-8 UNC worldwide?

3G Electric supplies and delivers the OSG Straight Flute Tap 1"-8 UNC worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other OSG cutting tools.

How to select the correct OSG tap for UNC threads?

Select the tap based on thread size, class of fit, and material. For 1"-8 UNC, use a plug chamfer for blind holes or a bottoming chamfer for through holes. TiCN coating improves wear resistance in harder materials. Always match the tap to the required thread tolerance (e.g., H1 for 2B-3B).

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 hand 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 Straight Flute Tap: 7/8"-9 UNC, H2 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1009000)
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OSG Straight Flute Tap: 7/8"-9 UNC, H2 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1009000)
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OSG Straight Flute Tap: 7/8"-14 UNF, H6 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1145808)
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OSG Straight Flute Tap: 7/8"-9 UNC, H6 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1145500)
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OSG
OSG Straight Flute Tap: 1/2"-13 UNC, H5 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1142508)
OSG Straight Flute Tap: #8-32 UNC, H2 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1014308)
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OSG Straight Flute Tap: #8-32 UNC, H2 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1014308)

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OSG Straight Flute Tap: 7/8"-14 UNF, H6 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1145800)