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

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer (MPN 1734901) - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer (MPN 1734901)

SKU 3G-OTH-224519

Brand
OSG
Item
Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer
Category
Spiral-Point 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
1734901
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

Frequently Asked Questions

What is the OSG spiral point tap #4-40 UNC used for?

The OSG spiral point tap #4-40 UNC is designed for threading blind or through holes in steel and stainless steel. Its spiral point pushes chips ahead, reducing clogging and breakage. It is ideal for production tapping in automotive, aerospace, and general manufacturing where clean, accurate threads are required.

What are the specifications of the OSG spiral point tap #4-40 UNC?

This OSG tap has a #4-40 UNC thread size, H5 tolerance for 2B class fit, 2 flutes, and a plug chamfer. The manufacturer part number is 1734901. It is designed for steel and stainless steel applications, offering high wear resistance and consistent thread quality.

Where to buy OSG spiral point tap #4-40 UNC worldwide?

You can source the OSG spiral point tap #4-40 UNC (MPN 1734901) through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time; we supply genuine OSG tooling for your production needs.

How to select the correct OSG spiral point tap for steel?

Select an OSG spiral point tap based on thread size (e.g., #4-40 UNC), material (steel or stainless steel), and hole type (through or blind). For steel, use a plug chamfer and H5 tolerance for 2B fit. Ensure the tap matches your machine's RPM and coolant system. OSG taps are engineered for high-speed production.

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 →

Similar products

Matched by specification & description
OSG Spiral Point Tap: #4-40 UNC, H6 / 2B, 2 Flute, Plug Chamfer (MPN 1726801)
OSG
OSG Spiral Point Tap: #4-40 UNC, H6 / 2B, 2 Flute, Plug Chamfer (MPN 1726801)
OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer, V Coated Vanadium High Speed Steel (MPN 1734908)
OSG
OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer, V Coated Vanadium High Speed Steel (MPN 1734908)
OSG Spiral Point Tap: #4-40 UNC, H4 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1725801). Key specifications — attr1299616: H4 / 2B-3B.
OSG
OSG Spiral Point Tap: #4-40 UNC, H4 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1725801). Key specifications — attr1299616: H4 / 2B-3B.
OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1730005). Key specifications — attr1299616: H2 / 2B-3B.
OSG
OSG Spiral Point Tap: #4-40 UNC, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1730005). Key specifications — attr1299616: H2 / 2B-3B.
OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1759308)
OSG
OSG Spiral Point Tap: #4-40 UNC, H5 / 2B, 2 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1759308)
OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1726901). Key specifications — attr1299616: H2 / 2B-3B.
OSG
OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer (MPN 1726901). Key specifications — attr1299616: H2 / 2B-3B.

More from OSG

View all OSG parts →
OSG Spiral Point Tap: 7/8"-20 UNEF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651507108)
OSG
OSG Spiral Point Tap: 7/8"-20 UNEF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651507108)
OSG Spiral Point Tap: M6x1 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651000808). Key specifications — attr1299616: D5 / 4H-6H.
OSG
OSG Spiral Point Tap: M6x1 Metric, D5 / 4H-6H, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651000808). Key specifications — attr1299616: D5 / 4H-6H.
OSG
OSG
OSG Spiral Point Tap: M18x1.25 Metric, D6 / 4H-6H, 4 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651007608). Key specifications — attr1299616: D6 / 4H-6H.
OSG Spiral Point Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1700508). Key specifications — attr1299616: H6 / 2B-3B.
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H6 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1700508). Key specifications — attr1299616: H6 / 2B-3B.
OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651501908). Key specifications — attr1299616: H3 / 2B-3B.
OSG
OSG Spiral Point Tap: 1/4"-28 UNF, H3 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651501908). Key specifications — attr1299616: H3 / 2B-3B.
OSG Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502408)
OSG
OSG Spiral Point Tap: 3/8"-16 UNC, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651502408)
OSG Spiral Point Tap: M10x0.75 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651005308). Key specifications — attr1299616: D4 / 4H-6H.
OSG
OSG Spiral Point Tap: M10x0.75 Metric, D4 / 4H-6H, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651005308). Key specifications — attr1299616: D4 / 4H-6H.
OSG Spiral Point Tap: M11x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651005608). Key specifications — attr1299616: D6 / 4H-6H.
OSG
OSG Spiral Point Tap: M11x1.5 Metric, D6 / 4H-6H, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651005608). Key specifications — attr1299616: D6 / 4H-6H.