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

The OSG Spiral Flute Tap (3/8"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1650502708). 3G Electric interprets…

SKU 3G-OTH-218958

Brand
OSG
Item
Spiral Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
1650502708
Type
H3 / 2B-3B, Modified Bottoming Chamfer
Flute
3

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

Product Description

The OSG Spiral Flute Tap (3/8"-24 UNF) is a spiral-flute tap for steel and stainless steel, featuring an H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer (MPN 1650502708). 3G Electric interprets demand and delivers this genuine industrial cutting tool across 14 departments, with specialist depth in combustion, pumps and controls as an authorised distributor.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG spiral flute tap 3/8-24 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its modified bottoming chamfer and 3-flute design efficiently evacuate chips upward, making it ideal for automotive, aerospace, and general manufacturing applications requiring precise UNF threads.

What are the specifications of the OSG 1650502708 tap?

The OSG 1650502708 is a 3/8-24 UNF spiral flute tap with a H3 / 2B-3B tolerance, 3 flutes, and a modified bottoming chamfer. It is designed for threading steel and stainless steel. The H3 limit ensures precise thread fit for 2B-3B class holes.

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 1650502708 spiral flute tap.

How to select the correct OSG tap for stainless steel?

For stainless steel, choose a spiral flute tap like this OSG 3/8-24 UNF model with a modified bottoming chamfer. The 3-flute design aids chip evacuation in blind holes. Ensure the tap tolerance (H3 / 2B-3B) matches your thread class requirement for optimal performance.

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.

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Cross-referenced by specification & description
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650502308)
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OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650502308)
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OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650502608)
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OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650502608)
Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes and a modified bottoming chamfer for chip evacuation upward. Thread size 3/8"-16 UNC with H3 / 2B-3B tolerance. Suitable for general manufacturing applications requiring UNC threads
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Spiral-flute tap for threading blind holes in steel and stainless steel. Features 3 flutes and a modified bottoming chamfer for chip evacuation upward. Thread size 3/8"-16 UNC with H3 / 2B-3B tolerance. Suitable for general manufacturing applications requiring UNC threads
OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1650501708)
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OSG Spiral Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1650501708)
OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650502108)
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OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650502108)

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