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: 1"-12 UNF, H4 / 2B, 3 Flute, Plug Chamfer - Spiral-Point Taps for Steel & Stainless Steel
OSGSpiral-Point Taps for Steel & Stainless Steel

OSG Spiral Point Tap: 1"-12 UNF, H4 / 2B, 3 Flute, Plug Chamfer

The OSG Spiral Point Tap (1"-12 UNF) is a H4 / 2B, 3-flute, plug-chamfer tap with V Coated Powdered Metal construction (MPN 1651505508). Designed for steel and stainless steel, it is a spiral-point tap that pushes…

SKU 3G-OTH-224222

Brand
OSG
Item
Spiral Point Tap: 1"-12 UNF, H4 / 2B, 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 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
1651505508
Type
H4 / 2B, Plug Chamfer, V Coated Powdered Metal
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 Point Tap (1"-12 UNF) is a H4 / 2B, 3-flute, plug-chamfer tap with V Coated Powdered Metal construction (MPN 1651505508). Designed for steel and stainless steel, it is a spiral-point tap that pushes chips forward for efficient threading. 3G Electric sources this genuine OSG tool across 14 industrial departments, with specialist expertise in cutting tools and precision machining.

Frequently Asked Questions

What is the OSG spiral point tap used for?

The OSG spiral point tap is designed for threading blind or through holes in steel and stainless steel. Its spiral point design pushes chips forward, preventing clogging and enabling efficient production threading in automotive, aerospace, and general manufacturing applications.

What are the specifications of the OSG spiral point tap?

This OSG tap has a 1"-12 UNF thread size, H4 / 2B tolerance, 3 flute design, plug chamfer, and V coated powdered metal construction. The manufacturer part number is 1651505508. It is engineered for threading steel and stainless steel workpieces.

Where to buy OSG spiral point taps worldwide?

3G Electric supplies OSG spiral point taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your facility. Contact us for availability and lead time on this and other OSG threading tools.

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

Select based on thread size, pitch, and material. For steel, choose a tap with appropriate coating and flute count. This OSG tap features V coating and 3 flutes for steel and stainless steel. Always match the tap tolerance (H4) to the required thread class (2B) for proper fit.

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: 1"-12 UNF, H6, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505408)
OSG
OSG Spiral Point Tap: 1"-12 UNF, H6, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505408)
OSG Spiral Point Tap: 3/4"-16 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651504608)
OSG
OSG Spiral Point Tap: 3/4"-16 UNF, H5 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651504608)
OSG Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505108). Key specifications — attr1299616: H4 / 2B-3B.
OSG
OSG Spiral Point Tap: 7/8"-14 UNF, H4 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505108). Key specifications — attr1299616: H4 / 2B-3B.
OSG Spiral Point Tap: 1"-8 UNC, H4 / 2B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505308)
OSG
OSG Spiral Point Tap: 1"-8 UNC, H4 / 2B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505308)
OSG Spiral Point Tap: 1"-8 UNC, H6, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505208)
OSG
OSG Spiral Point Tap: 1"-8 UNC, H6, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651505208)
OSG Spiral Point Tap: 7/8"-9 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651504908). Key specifications — attr1299616: H4 / 2B-3B.
OSG
OSG Spiral Point Tap: 7/8"-9 UNC, H4 / 2B-3B, 3 Flute, Plug Chamfer, V Coated Powdered Metal (MPN 1651504908). Key specifications — attr1299616: H4 / 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.