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OSG 1/2"-20 UNF Left-Hand Straight Flute Tap - Left-Hand Thread Taps
OSGLeft-Hand Thread Taps

OSG 1/2"-20 UNF Left-Hand Straight Flute Tap

The OSG Straight Flute Tap (MPN 1662000) is a left-hand thread tap for 1/2"-20 UNF applications. It features a bottoming chamfer, H3 / 2B-3B tolerance, 4 flutes, and is made of high-speed steel. 3G Electric…

SKU 3G-OTH-265154

Brand
OSG
Item
1/2"-20 UNF Left-Hand Straight Flute Tap
Part Number
1662000
Category
Left-Hand Thread Taps
Available to Order
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

OSG
Manufacturer Part Number
1662000
Type
H3 / 2B-3B, Bottoming Chamfer, LH, High Speed Steel
Flute
4

Technical Documents

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

Product Description

The OSG Straight Flute Tap (MPN 1662000) is a left-hand thread tap for 1/2"-20 UNF applications. It features a bottoming chamfer, H3 / 2B-3B tolerance, 4 flutes, and is made of high-speed steel. 3G Electric interprets this demand and sources the genuine OSG product, supporting your industrial threading needs across 14 departments.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the OSG Straight Flute Tap 1662000 used for?

This OSG tap is used for cutting left-hand internal threads in metal components. It is ideal for applications requiring UNF threads, such as automotive, aerospace, and general manufacturing, where precise thread forming is critical.

What are the specifications of the OSG Straight Flute Tap 1662000?

The OSG Straight Flute Tap has a 1/2"-20 UNF thread size, H3 tolerance for 2B-3B class fit, 4 flute design, bottoming chamfer, left-hand (LH) rotation, and is made from high-speed steel. The manufacturer part number is 1662000.

Where to buy the OSG Straight Flute Tap 1662000 worldwide?

You can source the OSG Straight Flute Tap 1662000 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations, ensuring reliable supply for your operations.

How to select the correct OSG tap for left-hand threads?

To select the correct OSG tap, match the thread size (e.g., 1/2"-20 UNF), thread direction (left-hand), chamfer type (bottoming for blind holes), and material (high-speed steel for general use). Always verify the part number, such as 1662000, for exact specifications.

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
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OSG Products

3G Electric supplies OSG left-hand thread taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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