Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OSG Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (3/8"-16 UNC) is a spiral-point tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes (MPN 1651502408). 3G…

SKU 3G-OTH-224080

Brand
OSG
Item
Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer
Category
Spiral-Point 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 — 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
1651502408
Type
H5 / 2B-3B, Plug 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 Point Tap (3/8"-16 UNC) is a spiral-point tap for steel and stainless steel, featuring an H5 / 2B-3B tolerance, plug chamfer, V coated powdered metal construction, and 3 flutes (MPN 1651502408). 3G Electric sources this genuine OEM tool across 14 industrial departments, with specialist expertise in cutting tools and machining, ensuring you get the right solution for your threading application.

Frequently Asked Questions

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

This OSG spiral point tap is designed for threading blind or through holes in steel and stainless steel. Its V coated powdered metal construction and plug chamfer make it suitable for high-speed production tapping in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG 1651502408 tap?

The OSG spiral point tap has a 3/8-16 UNC thread size, H5 / 2B-3B tolerance, 3 flutes, and a plug chamfer. It is made of V coated powdered metal, with manufacturer part number 1651502408. This tap is optimized for steel and stainless steel workpieces.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps like the 1651502408 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this spiral point tap for steel and stainless steel threading applications.

How to select the right OSG tap for steel?

For steel threading, choose a spiral point tap with V coating and powdered metal construction like this OSG 3/8-16 UNC model. Ensure the chamfer type (plug) matches your hole type—blind or through. Match thread class (H5 / 2B-3B) to your tolerance requirements for optimal thread quality.

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-point 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 Point Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502808)
OSG
OSG Spiral Point Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502808)
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502008)
OSG
OSG Spiral Point Tap: 5/16"-18 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502008)
Spiral-point tap for through-hole threading in steel and stainless steel. Features H5 tolerance for class 2B/3B fit, plug chamfer, and 3 flutes. V coated powdered metal construction enhances wear resistance and chip evacuation. Suitable for production tapping in general machining applications
OSG
Spiral-point tap for through-hole threading in steel and stainless steel. Features H5 tolerance for class 2B/3B fit, plug chamfer, and 3 flutes. V coated powdered metal construction enhances wear resistance and chip evacuation. Suitable for production tapping in general machining applications
OSG Spiral Point Tap: 9/16"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651503808)
OSG
OSG Spiral Point Tap: 9/16"-18 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651503808)
OSG Spiral Point Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651503408)
OSG
OSG Spiral Point Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651503408)
OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651501608)
OSG
OSG Spiral Point Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651501608)

More from OSG

View all OSG parts
Spiral-point tap for through-hole threading in steel and stainless steel. Features a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. The spiral-point design pushes chips forward, enabling efficient chip evacuation in through-hole applications
OSG
Spiral-point tap for through-hole threading in steel and stainless steel. Features a 3/4"-16 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. The spiral-point design pushes chips forward, enabling efficient chip evacuation in through-hole applications
Spiral-point tap for threading blind or through holes in steel and stainless steel. The spiral-point geometry pushes chips forward to reduce clogging and enable faster tapping. Thread size 5/16"-18 UNC, tolerance H3 / 2B-3B, 3 flutes, plug chamfer
OSG
Spiral-point tap for threading blind or through holes in steel and stainless steel. The spiral-point geometry pushes chips forward to reduce clogging and enable faster tapping. Thread size 5/16"-18 UNC, tolerance H3 / 2B-3B, 3 flutes, plug chamfer
Spiral-point tap for through-hole threading in steel and stainless steel. Features a 2-flute design with plug chamfer, H2 / 2B-3B tolerance, and V coated powdered metal construction. Size #3-56 UNF
OSG
Spiral-point tap for through-hole threading in steel and stainless steel. Features a 2-flute design with plug chamfer, H2 / 2B-3B tolerance, and V coated powdered metal construction. Size #3-56 UNF
Spiral-point tap with plug chamfer, 3 flutes, and V coated powdered metal construction. Designed for threading through or blind holes in steel and stainless steel. H4 / 2B tolerance. Manufacturer part number: 1651505508
OSG
Spiral-point tap with plug chamfer, 3 flutes, and V coated powdered metal construction. Designed for threading through or blind holes in steel and stainless steel. H4 / 2B tolerance. Manufacturer part number: 1651505508
Spiral point tap for threading through or blind holes in steel and stainless steel. Features 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to prevent clogging and ensure clean threads
OSG
Spiral point tap for threading through or blind holes in steel and stainless steel. Features 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to prevent clogging and ensure clean threads
Spiral-point tap for threading blind or through holes in steel and stainless steel. Features a plug chamfer, 3 flutes, and V coated powdered metal construction for wear resistance. Tolerance H2 / 2B-3B. Suitable for production tapping in general manufacturing applications
OSG
Spiral-point tap for threading blind or through holes in steel and stainless steel. Features a plug chamfer, 3 flutes, and V coated powdered metal construction for wear resistance. Tolerance H2 / 2B-3B. Suitable for production tapping in general manufacturing applications
Spiral-point tap for through-hole threading in steel and stainless steel. Features a 3-flute design with plug chamfer that pushes chips forward. Thread size 7/16"-20 UNF, tolerance H3 / 2B-3B. Suitable for industrial metalworking applications requiring efficient chip evacuation
OSG
Spiral-point tap for through-hole threading in steel and stainless steel. Features a 3-flute design with plug chamfer that pushes chips forward. Thread size 7/16"-20 UNF, tolerance H3 / 2B-3B. Suitable for industrial metalworking applications requiring efficient chip evacuation
Spiral point tap for threading through or blind holes in steel and stainless steel. Features a metric M6x1 thread size, D5 / 4H-6H tolerance class, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to reduce clogging and improve thread quality
OSG
Spiral point tap for threading through or blind holes in steel and stainless steel. Features a metric M6x1 thread size, D5 / 4H-6H tolerance class, 3 flutes, and plug chamfer. The spiral point design pushes chips forward to reduce clogging and improve thread quality