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OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Flute Tap (5/16"-24 UNF, MPN 1430608) is a general-purpose tap with a plug chamfer, 3 flutes, and TiCN-coated high-speed steel construction. It is specified as H3 / 2B-3B class of fit.

SKU 3G-OTH-230370

Brand
OSG
Item
Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Flute Taps
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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
1430608
Type
H3 / 2B-3B, Plug Chamfer, TiCN Coated High Speed Steel
Flute
3

Technical Documents

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

Product Description

The OSG Spiral Flute Tap (5/16"-24 UNF, MPN 1430608) is a general-purpose tap with a plug chamfer, 3 flutes, and TiCN-coated high-speed steel construction. It is specified as H3 / 2B-3B class of fit.

Frequently Asked Questions

What is the OSG spiral flute tap 5/16-24 UNF used for?

The OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. Its spiral flute design efficiently evacuates chips upward, preventing clogging. The TiCN coating enhances wear resistance and extends tool life in general-purpose tapping applications.

What are the specifications of the OSG 1430608 tap?

The OSG 1430608 is a spiral flute tap with thread size 5/16-24 UNF, H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made from TiCN coated high speed steel. This combination provides precise thread fit and durability for production tapping.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your site. Contact us for availability and lead time on the OSG 1430608 spiral flute tap. We source and deliver to meet your production needs.

How to select the correct OSG tap for blind holes?

For blind holes, choose a spiral flute tap like the OSG 1430608 to evacuate chips upward. Ensure the thread size (5/16-24 UNF) and tolerance (H3 / 2B-3B) match your application. Use appropriate cutting fluid and follow manufacturer speed/feed recommendations for optimal thread quality and tool life.

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-flute taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Cross-referenced by specification & description
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1430605)
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OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1430605)
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OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1431608)
OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1430408)
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OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1430408)
OSG Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1431005)
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OSG Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1431005)
General purpose spiral-flute tap for threading blind holes. Features a TiCN coating on high speed steel for reduced friction and wear. Plug chamfer and 3-flute design aid chip evacuation upward. Thread size 7/16"-14 UNC, tolerance H3 / 2B-3B
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General purpose spiral-flute tap for threading blind holes. Features a TiCN coating on high speed steel for reduced friction and wear. Plug chamfer and 3-flute design aid chip evacuation upward. Thread size 7/16"-14 UNC, tolerance H3 / 2B-3B
OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1431605)
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OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1431605)

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