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

OSG Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer

The OSG Spiral Flute Tap (3/8"-24 UNF) is a bottoming-chamfer, 3-flute tap made from V-coated powdered metal, with an H3 / 2B-3B tolerance class (MPN 0143108). Designed for threading steel and stainless steel, it is…

SKU 3G-OTH-217846

Brand
OSG
Item
Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer
Category
Spiral-Flute Taps for Steel & Stainless Steel
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
0143108
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
3

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 Flute Tap (3/8"-24 UNF) is a bottoming-chamfer, 3-flute tap made from V-coated powdered metal, with an H3 / 2B-3B tolerance class (MPN 0143108). Designed for threading steel and stainless steel, it is one of thousands of industrial products 3G Electric sources and supplies across 14 departments, with specialist expertise in combustion, pumps, and controls.

Frequently Asked Questions

What is the OSG spiral flute tap 0143108 used for?

The OSG spiral flute tap 0143108 is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging. The V coated powdered metal construction provides wear resistance for production tapping. It is commonly used in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral flute tap 0143108?

The OSG spiral flute tap 0143108 has a thread size of 3/8"-24 UNF, with a H3 / 2B-3B tolerance class. It features 3 flutes, a bottoming chamfer, and a V coated powdered metal body. The manufacturer part number is 0143108. This tap is designed for threading blind holes in steel and stainless steel.

Where to buy OSG spiral flute tap 0143108 worldwide?

You can source the OSG spiral flute tap 0143108 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 supply genuine OSG cutting tools for manufacturing operations.

How to select the correct OSG spiral flute tap for stainless steel?

For stainless steel, select an OSG spiral flute tap with V coating and powdered metal construction, like the 0143108. Ensure the thread size (e.g., 3/8"-24 UNF) and tolerance class (H3 / 2B-3B) match your application. Use a bottoming chamfer for blind holes. Always match the tap to the material hardness and hole depth.

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 spiral-flute taps for steel & stainless steel. 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 Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0142908)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0142908)
OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143208)
OSG
OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143208)
OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143508)
OSG
OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143508)
OSG Spiral Flute Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143008)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143008)
OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143308)
OSG
OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0143308)
OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0142708)
OSG
OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 0142708)

More from OSG

View all OSG parts
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging, while the modified bottoming chamfer allows threading close to the hole bottom. Thread size: 1"-12 UNF, tolerance class H4 / 2B-3B, 4 flutes
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward to prevent clogging, while the modified bottoming chamfer allows threading close to the hole bottom. Thread size: 1"-12 UNF, tolerance class H4 / 2B-3B, 4 flutes
Spiral-flute tap for threading blind holes in steel and stainless steel. Metric size M11x0.75, tolerance class D4 / 4H-6H, 3 flutes, modified bottoming chamfer. Lifts chips upward to prevent clogging in deep or blind holes
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Metric size M11x0.75, tolerance class D4 / 4H-6H, 3 flutes, modified bottoming chamfer. Lifts chips upward to prevent clogging in deep or blind holes
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading to the bottom of blind holes, with 4 flutes for chip evacuation. Thread size 9/16"-18 UNF, ground thread tolerance H3 / 2B-3B. Suitable for applications requiring precise UNF threads in blind holes
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a bottoming chamfer for threading to the bottom of blind holes, with 4 flutes for chip evacuation. Thread size 9/16"-18 UNF, ground thread tolerance H3 / 2B-3B. Suitable for applications requiring precise UNF threads in blind holes
Spiral-flute tap with 3 flutes and modified bottoming chamfer, tolerance H3 / 2B-3B. Designed for threading blind holes in steel and stainless steel, the spiral flute evacuates chips upward to prevent clogging. Suitable for general manufacturing applications requiring threading close to the hole bottom
OSG
Spiral-flute tap with 3 flutes and modified bottoming chamfer, tolerance H3 / 2B-3B. Designed for threading blind holes in steel and stainless steel, the spiral flute evacuates chips upward to prevent clogging. Suitable for general manufacturing applications requiring threading close to the hole bottom
Spiral-flute tap for threading blind holes in steel and stainless steel. Metric size M3.5x0.6 with D3 / 4H-6H tolerance class. 3-flute design with modified bottoming chamfer for threading close to hole bottom. Chip evacuation upward prevents clogging
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Metric size M3.5x0.6 with D3 / 4H-6H tolerance class. 3-flute design with modified bottoming chamfer for threading close to hole bottom. Chip evacuation upward prevents clogging
Spiral-flute tap designed for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 3 flutes to lift chips upward, preventing clogging in deep holes. Tolerance H3 / 2B-3B ensures precise thread fit. Suitable for general manufacturing applications requiring clean, accurate threads
OSG
Spiral-flute tap designed for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 3 flutes to lift chips upward, preventing clogging in deep holes. Tolerance H3 / 2B-3B ensures precise thread fit. Suitable for general manufacturing applications requiring clean, accurate threads
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 2-flute design to lift chips upward, preventing clogging in deep or blind holes. Thread tolerance H3 / 2B-3B. Manufacturer part number 1645010243
OSG
Spiral-flute tap for threading blind holes in steel and stainless steel. Features a modified bottoming chamfer and 2-flute design to lift chips upward, preventing clogging in deep or blind holes. Thread tolerance H3 / 2B-3B. Manufacturer part number 1645010243
Spiral-flute tap with 3 flutes and modified bottoming chamfer, tolerance class H3 / 2B-3B. Designed for threading blind holes in steel and stainless steel, the spiral flute lifts chips upward to prevent clogging. Suitable for general manufacturing applications requiring precise UNF threads
OSG
Spiral-flute tap with 3 flutes and modified bottoming chamfer, tolerance class H3 / 2B-3B. Designed for threading blind holes in steel and stainless steel, the spiral flute lifts chips upward to prevent clogging. Suitable for general manufacturing applications requiring precise UNF threads