We ship worldwide — Singapore, Australia, Malaysia, Indonesia, Philippines, India, Middle East & more

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 tap with 3 flutes, designed for threading steel and stainless steel. It features a V Coated Powdered Metal construction with an H3 / 2B-3B tolerance class…

SKU 3G-OTH-218736

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

Delivery
Worldwide DHL shipping from Singapore; 7–14 business days door-to-door for most destinations.
Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
1650511808
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 tap with 3 flutes, designed for threading steel and stainless steel. It features a V Coated Powdered Metal construction with an H3 / 2B-3B tolerance class (MPN 1650511808).

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 V-coated powdered metal construction and bottoming chamfer allow it to cut threads close to the bottom of the hole, making it ideal for automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG 1650511808 tap?

The OSG 1650511808 is a spiral flute tap with a 3/8-24 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is made of V-coated powdered metal, designed for threading blind holes in steel and stainless steel. The manufacturer part number is 1650511808.

Where to buy OSG taps in worldwide?

You can source OSG taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG spiral flute tap 1650511808.

How to select the correct OSG tap for steel threading?

For threading blind holes in steel, choose a spiral flute tap like this OSG model with a bottoming chamfer. Ensure the thread size (3/8-24 UNF) and tolerance (H3 / 2B-3B) match your application. The V-coated powdered metal construction provides wear resistance for stainless steel and alloy steels.

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: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511908)
OSG
OSG Spiral Flute Tap: 3/8"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511908)
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511308)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511308)
OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511108)
OSG
OSG Spiral Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511108)
OSG Spiral Flute Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511408)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H4 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511408)
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650512108)
OSG
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650512108)
OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511608)
OSG
OSG Spiral Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650511608)

More from OSG

View all OSG parts
OSG Spiral Flute Tap: 5/8"-24 UNEF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650506308)
OSG
OSG Spiral Flute Tap: 5/8"-24 UNEF, H4 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1650506308)
OSG Spiral Flute Tap: M14x1.25 Metric, D6 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1650005808)
OSG
OSG Spiral Flute Tap: M14x1.25 Metric, D6 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1650005808)
OSG Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1650504508)
OSG
OSG Spiral Flute Tap: 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1650504508)
OSG Spiral Flute Tap: M7x0.75 Metric, D4 / 4H-6H, 3 Flute, Bottoming Chamfer (MPN 1650011108)
OSG
OSG Spiral Flute Tap: M7x0.75 Metric, D4 / 4H-6H, 3 Flute, Bottoming Chamfer (MPN 1650011108)
OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645003482)
OSG
OSG Spiral Flute Tap: #3-48 UNC, H2 / 2B-3B, 2 Flute, Modified Bottoming Chamfer (MPN 1645003482)
OSG Spiral Flute Tap: 1"-8 UNC, H4 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1650505308)
OSG
OSG Spiral Flute Tap: 1"-8 UNC, H4 / 2B-3B, 4 Flute, Modified Bottoming Chamfer (MPN 1650505308)
OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1752708)
OSG
OSG Spiral Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1752708)
OSG Spiral Flute Tap: #6-32 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0136008)
OSG
OSG Spiral Flute Tap: #6-32 UNC, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 0136008)