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

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

OSG General Purpose Spiral-Point Taps.

SKU 3G-OTH-214335

Brand
OSG
Item
Spiral Point Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute
Category
General Purpose Spiral-Point 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
2831200

Technical Documents

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

Product Description

OSG General Purpose Spiral-Point Taps.

Frequently Asked Questions

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

This OSG spiral point tap is used for threading blind or through holes in metal parts. Its 3-flute design pushes chips forward, making it ideal for production tapping in automotive, aerospace, and general machining applications.

What are the specifications of OSG tap 2831200?

The OSG tap 2831200 is a 5/16-24 UNF spiral point tap with H3 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is designed for general purpose threading in steel, aluminum, and other materials.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 2831200 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this and other OSG threading tools.

How to select the right tap for UNF threads?

For UNF threads like 5/16-24, match the tap size and pitch exactly to the hole. Choose spiral point taps for through holes or blind holes with chip clearance. Verify tolerance class (e.g., H3) matches your required thread fit. OSG taps offer reliable performance in production environments.

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.

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Spiral-point tap for threading through or blind holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and breakage. Thread size 7/16"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer
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Spiral-point tap for threading through or blind holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and breakage. Thread size 7/16"-20 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer
General purpose spiral-point tap with 7/16"-14 UNC thread size, H3 / 2B-3B tolerance class, 3 flutes, and plug chamfer. Designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and improve thread quality in production environments
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General purpose spiral-point tap with 7/16"-14 UNC thread size, H3 / 2B-3B tolerance class, 3 flutes, and plug chamfer. Designed for threading blind or through holes in ferrous and non-ferrous materials. The spiral-point design pushes chips forward to reduce clogging and improve thread quality in production environments
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General purpose spiral-point tap for through-hole threading in ferrous and non-ferrous materials. Thread size 5/16"-18 UNC with tolerance H7 / 2B-3B. Features 3 flutes and plug chamfer. Spiral-point geometry pushes chips forward, reducing clogging and improving thread quality
OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 2830400)
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General purpose spiral-point tap for through-hole threading in metals. The spiral-point design pushes chips forward, reducing clogging and breakage. Thread size 3/4"-16 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Suitable for creating UNF threads in steel, aluminum, and alloys
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General purpose spiral-point tap for through-hole threading in metals. The spiral-point design pushes chips forward, reducing clogging and breakage. Thread size 3/4"-16 UNF with H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. Suitable for creating UNF threads in steel, aluminum, and alloys
This spiral-point tap is designed for through-hole threading in general-purpose industrial applications. Its geometry pushes chips forward to reduce clogging and enable faster cycles in materials such as steel, aluminum, and cast iron. Thread size: 7/8"-14 UNF, tolerance class H4 / 2B-3B, 3 flutes, plug chamfer
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This spiral-point tap is designed for through-hole threading in general-purpose industrial applications. Its geometry pushes chips forward to reduce clogging and enable faster cycles in materials such as steel, aluminum, and cast iron. Thread size: 7/8"-14 UNF, tolerance class H4 / 2B-3B, 3 flutes, plug chamfer

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