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OSG Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer - Coolant-Through Straight-Flute Machine Taps for Aluminum
OSGCoolant-Through Straight-Flute Machine Taps for Aluminum

OSG Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer

The OSG Straight Flute Tap (1/4"-28 UNF) is a coolant-through machine tap for aluminum, featuring a bottoming chamfer, 4 flutes, and H3 / 2B-3B tolerance with V Coated Powdered Metal construction (MPN 1005700308).

SKU 3G-OTH-207607

Brand
OSG
Item
Straight Flute Tap: 1/4"-28 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer
Category
Coolant-Through Straight-Flute Machine Taps for Aluminum
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Technical Specifications

OSG
Manufacturer Part Number
1005700308
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
4
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OSG Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The OSG Straight Flute Tap (1/4"-28 UNF) is a coolant-through machine tap for aluminum, featuring a bottoming chamfer, 4 flutes, and H3 / 2B-3B tolerance with V Coated Powdered Metal construction (MPN 1005700308).

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 used for?

The OSG straight flute tap is designed for threading blind holes in aluminum and other non-ferrous materials. Its coolant-through design flushes chips during operation, while the V-coated powdered metal construction provides wear resistance. It is commonly used in automotive and aerospace manufacturing for precise internal threads.

What are the specifications of the OSG straight flute tap?

This OSG tap has a thread size of 1/4"-28 UNF, with an H3 / 2B-3B tolerance class. It features 4 flutes, a bottoming chamfer, and a V-coated powdered metal body. The manufacturer part number is 1005700308. It is a coolant-through machine tap designed for aluminum.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance for international orders. As a global industrial distributor, we source and deliver this OSG straight flute tap to your facility. Contact us for availability and lead time to your region.

How to select the correct OSG tap for aluminum?

For aluminum, choose a tap with a polished flute or coating to reduce built-up edge. This OSG tap uses a V-coating and powdered metal for chip evacuation and durability. Ensure the thread class (H3 / 2B-3B) matches your tolerance requirements. Use coolant-through taps for blind holes to clear chips effectively.

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 coolant-through straight-flute machine taps for aluminum. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

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