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

OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (#12-28 UNF, MPN 1214405) is a general-purpose spiral-point tap with a plug chamfer, TiN coated high-speed steel construction, and H3 / 2B-3B tolerance class. It features 2 flutes and is…

SKU 3G-OTH-215946

Brand
OSG
Item
Spiral Point Tap: #12-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1214405
Type
H3 / 2B-3B, Plug Chamfer, TiN Coated High Speed Steel
Flute
2

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 Spiral Point Tap (#12-28 UNF, MPN 1214405) is a general-purpose spiral-point tap with a plug chamfer, TiN coated high-speed steel construction, and H3 / 2B-3B tolerance class. It features 2 flutes and is designed for threading applications requiring UNF thread specifications.

Frequently Asked Questions

What is the OSG spiral point tap #12-28 UNF used for?

The OSG spiral point tap #12-28 UNF is used for threading blind or through holes in metal components, particularly in automotive and general manufacturing. Its TiN coating reduces friction and extends tool life, while the plug chamfer and 2-flute design enable efficient chip evacuation in production environments.

What are the specifications of the OSG spiral point tap 1214405?

The OSG spiral point tap 1214405 is a #12-28 UNF thread size, with H3 / 2B-3B tolerance class. It has 2 flutes, a plug chamfer, and a TiN coated high-speed steel construction. This general-purpose tap is designed for threading in steel and non-ferrous materials, offering reliable performance in production tapping operations.

Where to buy OSG spiral point tap 1214405 worldwide?

You can source the OSG spiral point tap 1214405 worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we provide competitive pricing and reliable supply for manufacturing and maintenance needs.

How to select the correct OSG spiral point tap for UNF threads?

To select the correct OSG spiral point tap for UNF threads, match the thread size (e.g., #12-28 UNF) and tolerance class (H3 / 2B-3B) to your application. Consider material hardness and hole type—spiral point taps are ideal for through holes. OSG's TiN coated high-speed steel taps offer good wear resistance for general-purpose threading in steel and alloys.

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.

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: #12-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1214205)
OSG
OSG Spiral Point Tap: #12-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1214205)
OSG Spiral Point Tap: #1-72 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1205405)
OSG
OSG Spiral Point Tap: #1-72 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1205405)
OSG Spiral Point Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1213405)
OSG
OSG Spiral Point Tap: #10-24 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1213405)
OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1230405)
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1230405)
OSG Spiral Point Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1213805)
OSG
OSG Spiral Point Tap: #10-32 UNF, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1213805)
OSG Spiral Point Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1212805)
OSG
OSG Spiral Point Tap: #8-32 UNC, H3 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1212805)

More from OSG

View all OSG parts
OSG Spiral Point Tap: M10x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2891800)
OSG
OSG Spiral Point Tap: M10x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2891800)
OSG Spiral Point Tap: #10-24 UNC, H1 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1203405)
OSG
OSG Spiral Point Tap: #10-24 UNC, H1 / 2B-3B, 2 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1203405)
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836800)
OSG
OSG Spiral Point Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2836800)
OSG Spiral Point Tap: M14x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2892501)
OSG
OSG Spiral Point Tap: M14x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2892501)
OSG Spiral Point Tap: M12x1.25 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2892101)
OSG
OSG Spiral Point Tap: M12x1.25 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2892101)
OSG Spiral Point Tap: 5/16"-18 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1225808)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1225808)
OSG Spiral Point Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2890808)
OSG
OSG Spiral Point Tap: M5x0.8 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer (MPN 2890808)
OSG Spiral Point Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2805601)
OSG
OSG Spiral Point Tap: #2-56 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 2805601)