Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OSG Straight Flute Tap: #12-24 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: #12-24 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer

The OSG Straight Flute Tap (#12-24 UNC) is a general purpose hand tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and TiN coated high speed steel construction (MPN 1025505). 3G Electric interprets your…

SKU 3G-OTH-221826

Brand
OSG
Item
Straight Flute Tap: #12-24 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer
Category
General Purpose Hand Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

OSG
Manufacturer Part Number
1025505
Type
H3 / 2B-3B, Plug Chamfer, TiN Coated High Speed Steel
Flute
4
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The OSG Straight Flute Tap (#12-24 UNC) is a general purpose hand tap with a H3 / 2B-3B tolerance, 4-flute design, plug chamfer, and TiN coated high speed steel construction (MPN 1025505). 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 Straight Flute Tap #12-24 UNC used for?

The OSG Straight Flute Tap #12-24 UNC is a general-purpose hand tap designed for threading holes in metal, plastic, and composite materials. It is commonly used in automotive, aerospace, and general manufacturing for creating internal threads in through or blind holes. The TiN coating reduces friction and extends tool life.

What are the specifications of the OSG Straight Flute Tap #12-24 UNC?

The OSG Straight Flute Tap has a #12-24 UNC thread size, H3 pitch diameter tolerance, and fits 2B-3B class of fit. It features 4 flutes, a plug chamfer, and is made from TiN-coated high-speed steel. The manufacturer part number is 1025505. OSG is the OEM brand.

Where to buy the OSG Straight Flute Tap #12-24 UNC worldwide?

You can source the OSG Straight Flute Tap #12-24 UNC through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we provide reliable sourcing for this OSG tap.

How to select the correct OSG Straight Flute Tap for UNC threads?

To select the correct OSG Straight Flute Tap, match the thread size (e.g., #12-24 UNC) and class of fit (2B-3B) to your application. For through holes, use a plug or bottoming chamfer; for blind holes, consider a taper chamfer. The TiN coating is ideal for ferrous materials. Always verify the H3 tolerance for precision.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Similar products

Matched by specification & description
OSG Straight Flute Tap: #12-24 UNC, H1 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1005500)
OSG
OSG Straight Flute Tap: #12-24 UNC, H1 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1005500)
OSG Straight Flute Tap: #12-28 UNF, H1 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1005800)
OSG
OSG Straight Flute Tap: #12-28 UNF, H1 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1005800)
OSG Straight Flute Tap: #10-24 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1045700)
OSG
OSG Straight Flute Tap: #10-24 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1045700)
OSG Straight Flute Tap: #6-40 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1068105)
OSG
OSG Straight Flute Tap: #6-40 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1068105)
OSG Straight Flute Tap: #10-24 UNC, H1 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1040700)
OSG
OSG Straight Flute Tap: #10-24 UNC, H1 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1040700)
OSG Straight Flute Tap: #8-32 UNC, H2 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1014308)
OSG
OSG Straight Flute Tap: #8-32 UNC, H2 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1014308)

More from OSG

View all OSG parts
OSG Straight Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1170705)
OSG
OSG Straight Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1170705)
OSG Straight Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121305)
OSG
OSG Straight Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121305)
OSG Straight Flute Tap: M16x1 Metric, OH2 / 6H, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1142)
OSG
OSG Straight Flute Tap: M16x1 Metric, OH2 / 6H, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1142)
OSG Straight Flute Tap: 1"-14 UNS, H2 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1116700)
OSG
OSG Straight Flute Tap: 1"-14 UNS, H2 / 2B-3B, 4 Flute, Plug Chamfer, High Speed Steel (MPN 1116700)
OSG Straight Flute Tap: M8x0.75 Metric, OH2 / 6H, 4 Flute, Plug Chamfer, High Speed Steel (MPN 662)
OSG
OSG Straight Flute Tap: M8x0.75 Metric, OH2 / 6H, 4 Flute, Plug Chamfer, High Speed Steel (MPN 662)
OSG Straight Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1111608)
OSG
OSG Straight Flute Tap: 3/8"-24 UNF, H2 / 2B-3B, 4 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1111608)
OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1120105)
OSG
OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1120105)
OSG Straight Flute Tap: #5-44 UNF, H1 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1003400)
OSG
OSG Straight Flute Tap: #5-44 UNF, H1 / 2B-3B, 3 Flute, Plug Chamfer, High Speed Steel (MPN 1003400)