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

OSG Spiral Flute Tap: 1/2"-20 UNF, H6 / 2B-3B, 3 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1/2"-20 UNF, H6 / 2B-3B, 3 Flute

The OSG Spiral Flute Tap (1/2"-20 UNF, MPN 1762401) is a 3-flute, modified bottoming chamfer tap with H6 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets demand and…

SKU 3G-OTH-217877

Brand
OSG
Item
Spiral Flute Tap: 1/2"-20 UNF, H6 / 2B-3B, 3 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

OSG
Manufacturer Part Number
1762401
Type
H6 / 2B-3B, Modified Bottoming Chamfer
Flute
3
View Full Spec Sheet

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 (1/2"-20 UNF, MPN 1762401) is a 3-flute, modified bottoming chamfer tap with H6 / 2B-3B tolerance class, designed for threading steel and stainless steel. 3G Electric interprets demand and delivers this genuine industrial tap across 14 departments — with specialist depth in cutting tools — ensuring you get the right solution, not just a catalog.

Frequently Asked Questions

What is the OSG Spiral Flute Tap 1/2"-20 UNF used for?

This OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. The spiral flute design evacuates chips upward, making it ideal for production tapping where chip clearance is critical. The modified bottoming chamfer allows threading close to the bottom of the hole.

What are the specifications of the OSG Spiral Flute Tap MPN 1762401?

The OSG tap has a thread size of 1/2"-20 UNF with a tolerance of H6 / 2B-3B. It features 3 flutes and a modified bottoming chamfer. The manufacturer part number is 1762401. It is classified as a spiral-flute tap for steel and stainless steel applications.

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 location. Contact us to source the OSG Spiral Flute Tap MPN 1762401 or other OSG tooling for your production needs.

How to select the correct OSG tap for steel?

For steel and stainless steel blind holes, choose a spiral flute tap like this OSG model. The 1/2"-20 UNF size with H6 / 2B-3B tolerance ensures proper thread fit. The modified bottoming chamfer allows threading near the hole bottom. Always match tap material and coating to workpiece hardness.

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

Similar products

Matched by specification & description
OSG Spiral Flute Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1762501). Key specifications — attr1299826: H7 / 2B-3B.
OSG
OSG Spiral Flute Tap: 1/2"-20 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1762501). Key specifications — attr1299826: H7 / 2B-3B.
OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1733505). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1733505). Key specifications — attr1299826: H3 / 2B-3B.
OSG Spiral Flute Tap: 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1762308). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: 9/16"-18 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1762308). Key specifications — attr1299826: H3 / 2B-3B.
OSG Spiral Flute Tap: 5/16"-24 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1763301). Key specifications — attr1299826: H7 / 2B-3B.
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1763301). Key specifications — attr1299826: H7 / 2B-3B.
OSG Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1762801). Key specifications — attr1299826: H7 / 2B-3B.
OSG
OSG Spiral Flute Tap: 7/16"-20 UNF, H7 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1762801). Key specifications — attr1299826: H7 / 2B-3B.
OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1733305). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: 7/16"-20 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1733305). Key specifications — attr1299826: H3 / 2B-3B.

More from OSG

View all OSG parts
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1753201). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1753201). Key specifications — attr1299826: H3 / 2B-3B.
OSG Spiral Flute Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1705001)
OSG
OSG Spiral Flute Tap: 1/2"-20 UNF, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1705001)
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650512208)
OSG
OSG Spiral Flute Tap: 7/16"-14 UNC, H5 / 2B-3B, 3 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650512208)
OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722601)
OSG
OSG Spiral Flute Tap: 1/4"-20 UNC, H5 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1722601)
OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509008). Key specifications — attr1299826: H2 / 2B-3B.
OSG
OSG Spiral Flute Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1650509008). Key specifications — attr1299826: H2 / 2B-3B.
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1732905). Key specifications — attr1299826: H3 / 2B-3B.
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Modified Bottoming Chamfer (MPN 1732905). Key specifications — attr1299826: H3 / 2B-3B.
OSG Spiral Flute Tap: M22x1 Metric, D5 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 1650006808). Key specifications — attr1299826: D5 / 4H-6H.
OSG
OSG Spiral Flute Tap: M22x1 Metric, D5 / 4H-6H, 4 Flute, Modified Bottoming Chamfer (MPN 1650006808). Key specifications — attr1299826: D5 / 4H-6H.
OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1705608). Key specifications — attr1299826: D4 / 4H-6H.
OSG
OSG Spiral Flute Tap: M4x0.7 Metric, D4 / 4H-6H, 3 Flute, Modified Bottoming Chamfer (MPN 1705608). Key specifications — attr1299826: D4 / 4H-6H.