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OSG Spiral Flute Tap: 1 1/8"-8 8UN, H9 / 2B-3B, 4 Flute - Spiral-Flute Taps for Steel & Stainless Steel
OSGSpiral-Flute Taps for Steel & Stainless Steel

OSG Spiral Flute Tap: 1 1/8"-8 8UN, H9 / 2B-3B, 4 Flute

The OSG Spiral Flute Tap (1 1/8"-8 8UN, MPN 1650507208) is a spiral-flute tap for steel and stainless steel, featuring a modified bottoming chamfer, 4 flutes, and H9 / 2B-3B tolerance class. 3G Electric interprets…

SKU 3G-OTH-217930

Brand
OSG
Item
Spiral Flute Tap: 1 1/8"-8 8UN, H9 / 2B-3B, 4 Flute
Category
Spiral-Flute Taps for Steel & Stainless Steel
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Technical Specifications

OSG
Manufacturer Part Number
1650507208
Type
H9 / 2B-3B, Modified Bottoming Chamfer
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Spiral Flute Tap (1 1/8"-8 8UN, MPN 1650507208) is a spiral-flute tap for steel and stainless steel, featuring a modified bottoming chamfer, 4 flutes, and H9 / 2B-3B tolerance class. 3G Electric interprets your demand for this precision threading tool, sourcing it from our global supply network and supporting your procurement with specialist expertise across 14 industrial 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 spiral flute tap used for?

The OSG spiral flute tap is designed for threading blind holes in steel and stainless steel. Its spiral flute design evacuates chips upward, preventing clogging and ensuring clean threads. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threading is required.

What are the specifications of the OSG spiral flute tap 1650507208?

This OSG tap has a thread size of 1 1/8"-8 8UN, with a tolerance class of H9 / 2B-3B. It features 4 flutes and a modified bottoming chamfer, making it suitable for threading blind holes in steel and stainless steel. The manufacturer part number is 1650507208.

Where to buy OSG spiral flute taps worldwide?

You can source OSG spiral flute taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other OSG threading tools.

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

Select an OSG spiral flute tap based on thread size, pitch, and material. For blind holes in steel, choose a tap with a modified bottoming chamfer and appropriate tolerance class like H9 / 2B-3B. Ensure the tap has sufficient flutes for chip evacuation. Always match the tap to the specific steel grade for optimal thread quality.

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.

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