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OSG Straight Flute Tap: 7/8"-9 UNC, H3 / 2B-3B, 5 Flute, Bottoming Chamfer - Coolant-Through Straight-Flute Machine Taps for Aluminum
OSGCoolant-Through Straight-Flute Machine Taps for Aluminum

OSG Straight Flute Tap: 7/8"-9 UNC, H3 / 2B-3B, 5 Flute, Bottoming Chamfer

The OSG Straight Flute Tap (7/8"-9 UNC) is a coolant-through, straight-flute machine tap for aluminum, featuring a H3 / 2B-3B tolerance, bottoming chamfer, 5 flutes, and V coated powdered metal construction (MPN…

SKU 3G-OTH-207654

Brand
OSG
Item
Straight Flute Tap: 7/8"-9 UNC, H3 / 2B-3B, 5 Flute, Bottoming Chamfer
Category
Coolant-Through Straight-Flute Machine Taps for Aluminum
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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
1005303008
Type
H3 / 2B-3B, Bottoming Chamfer, V Coated Powdered Metal
Flute
5

Technical Documents

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

Product Description

The OSG Straight Flute Tap (7/8"-9 UNC) is a coolant-through, straight-flute machine tap for aluminum, featuring a H3 / 2B-3B tolerance, bottoming chamfer, 5 flutes, and V coated powdered metal construction (MPN 1005303008).

Frequently Asked Questions

What is an OSG straight flute tap used for?

An OSG straight flute tap is used for threading pre-drilled holes in aluminum and non-ferrous materials. The V-coated powdered metal construction and bottoming chamfer allow it to cut threads close to the bottom of blind holes, making it ideal for automotive, aerospace, and general machining applications.

What are the specifications of the OSG 7/8"-9 UNC tap?

This OSG tap has a 7/8"-9 UNC thread, H3 / 2B-3B tolerance, 5 flutes, and a bottoming chamfer. It is made of V-coated powdered metal and is designed for coolant-through operation. The manufacturer part number is 1005303008.

Where to buy OSG taps in worldwide?

3G Electric supplies OSG taps worldwide, handling full logistics and customs clearance. As a global industrial solutions provider, we source genuine OSG cutting tools like this 7/8"-9 UNC straight flute tap and deliver them to your facility, regardless of location.

How to select the right tap for aluminum?

For aluminum, choose a tap with a polished flute and coating to reduce chip adhesion. A bottoming chamfer is ideal for blind holes. This OSG tap, with its V-coated powdered metal and coolant-through design, is engineered for aluminum threading, ensuring clean threads and extended tool life.

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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Straight Flute Tap: 1"-8 UNC, H3 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005303408)
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OSG Straight Flute Tap: 1"-8 UNC, H3 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005303408)
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OSG Straight Flute Tap: 7/8"-9 UNC, H5 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005303108)
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OSG Straight Flute Tap: 7/8"-9 UNC, H5 / 2B-3B, 5 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005303108)
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Straight-flute machine tap with coolant-through design for threading blind holes in aluminum and non-ferrous materials. Features bottoming chamfer for threading close to hole bottom, V coated powdered metal construction for wear resistance, and 5 flutes. Thread size 5/8"-11 UNC, tolerance H3 / 2B-3B. Manufacturer part number 1005302208
OSG
Straight-flute machine tap with coolant-through design for threading blind holes in aluminum and non-ferrous materials. Features bottoming chamfer for threading close to hole bottom, V coated powdered metal construction for wear resistance, and 5 flutes. Thread size 5/8"-11 UNC, tolerance H3 / 2B-3B. Manufacturer part number 1005302208
OSG Straight Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005301608)
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OSG Straight Flute Tap: 1/2"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer, V Coated Powdered Metal (MPN 1005301608)

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