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OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer - General Purpose Spiral-Point Taps
OSGGeneral Purpose Spiral-Point Taps

OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer

The OSG Spiral Point Tap (#4-48 UNF, MPN 1206601) is a general purpose spiral-point tap with a plug chamfer, black oxide high-speed steel construction, and 2 flutes. It is rated H2 / 2B-3B for thread class compatibility.

SKU 3G-OTH-215218

Brand
OSG
Item
Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer
Category
General Purpose Spiral-Point Taps
Available to Order
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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
1206601
Type
H2 / 2B-3B, Plug Chamfer, Black Oxide High Speed Steel
Flute
2

Technical Documents

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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Point Tap (#4-48 UNF, MPN 1206601) is a general purpose spiral-point tap with a plug chamfer, black oxide high-speed steel construction, and 2 flutes. It is rated H2 / 2B-3B for thread class compatibility.

Frequently Asked Questions

What is the OSG Spiral Point Tap #4-48 UNF used for?

The OSG Spiral Point Tap #4-48 UNF is a general-purpose tap designed for through-hole threading in metals. Its spiral point pushes chips ahead, reducing clogging. It is commonly used in automotive, aerospace, and general manufacturing for creating precise internal threads in steel, aluminum, and alloys.

What are the specifications of the OSG Spiral Point Tap #4-48 UNF?

The OSG Spiral Point Tap has a #4-48 UNF thread size, H2 / 2B-3B tolerance, 2 flutes, plug chamfer, and black oxide high-speed steel construction. The manufacturer part number is 1206601. It is designed for through-hole threading and provides good wear resistance and chip evacuation.

Where to buy OSG Spiral Point Tap #4-48 UNF worldwide?

You can source the OSG Spiral Point Tap #4-48 UNF 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 taps for manufacturing operations.

How to select the correct OSG Spiral Point Tap for through-hole threading?

Select the OSG Spiral Point Tap based on thread size (e.g., #4-48 UNF), material (black oxide HSS for steel), and tolerance (H2 / 2B-3B). For through-holes, a plug chamfer and spiral point design are ideal. Ensure the tap matches the hole size and material hardness to avoid breakage.

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 general purpose spiral-point taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1206600)
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OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1206600)
OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1206608)
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OSG Spiral Point Tap: #4-48 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, TiCN Coated High Speed Steel (MPN 1206608)
OSG Spiral Point Tap: #4-36 UNS, H2 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1206801)
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OSG Spiral Point Tap: #4-36 UNS, H2 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1206801)
OSG Spiral Point Tap: #5-44 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1207201)
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OSG Spiral Point Tap: #5-44 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1207201)
OSG Spiral Point Tap: #6-40 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1207601)
OSG
OSG Spiral Point Tap: #6-40 UNF, H2 / 2B-3B, 2 Flute, Plug Chamfer, Black Oxide High Speed Steel (MPN 1207601)
OSG Spiral Point Tap: #4-36 UNS, H2 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1206800)
OSG
OSG Spiral Point Tap: #4-36 UNS, H2 / 2B-3B, 2 Flute, Plug Chamfer, High Speed Steel (MPN 1206800)

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