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OSG Spiral Point Tap: 3/8"-16 UNC, H1 / 2B-3B, 3 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: 3/8"-16 UNC, H1 / 2B-3B, 3 Flute, Plug Chamfer

SKU 3G-OTH-216103

Brand
OSG
Item
Spiral Point Tap: 3/8"-16 UNC, H1 / 2B-3B, 3 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
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Technical Specifications

OSG
Manufacturer Part Number
1221608
Type
H1 / 2B-3B, Plug Chamfer, TiCN Coated High Speed Steel
Flute
3
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Frequently Asked Questions

What is the OSG spiral point tap 3/8-16 UNC used for?

This OSG spiral point tap is designed for through-hole threading in steel and cast iron. Its TiCN coating and plug chamfer make it suitable for general-purpose tapping in machining, automotive, and industrial maintenance applications.

What are the specifications of the OSG 1221608 tap?

The OSG 1221608 is a 3/8-16 UNC spiral point tap with H1 / 2B-3B tolerance, 3 flutes, plug chamfer, and TiCN coated high speed steel. It is designed for through-hole threading and provides good chip evacuation.

Where to buy OSG taps in worldwide?

3G Electric supplies and delivers OSG taps worldwide. We handle full logistics and customs clearance, ensuring your order reaches any global destination. Contact us for availability and lead time on the OSG 1221608 spiral point tap.

How to select the right tap for through-hole threading?

For through-hole threading, choose a spiral point tap like this OSG 3/8-16 UNC model. It pushes chips ahead, reducing clogging. Match thread size, pitch, and material coating (TiCN for steel) to your workpiece. Always use proper cutting fluid.

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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