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OSG Straight Flute Tap: 1"-8 UNC, H6 / 2B-3B, 4 Flute, Plug Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: 1"-8 UNC, H6 / 2B-3B, 4 Flute, Plug Chamfer

The OSG Straight Flute Tap (1"-8 UNC) is a general-purpose hand tap with a Plug Chamfer, 4 flutes, and TiCN-coated high-speed steel construction. It is manufactured to H6 / 2B-3B tolerance class (MPN 1146108). 3G…

SKU 3G-OTH-221773

Brand
OSG
Item
Straight Flute Tap: 1"-8 UNC, H6 / 2B-3B, 4 Flute, Plug Chamfer
Part Number
1146108
Category
General Purpose Hand Taps
Available to Order
Also known as:1146108OSG
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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
1146108
Type
H6 / 2B-3B, Plug Chamfer, TiCN Coated 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 (1"-8 UNC) is a general-purpose hand tap with a Plug Chamfer, 4 flutes, and TiCN-coated high-speed steel construction. It is manufactured to H6 / 2B-3B tolerance class (MPN 1146108). 3G Electric interprets customer demand and delivers this genuine industrial cutting tool across 14 departments — and far more — with specialist depth in combustion, pumps and controls as a trust anchor.

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 1146108 used for?

The OSG straight flute tap 1146108 is used for hand threading 1"-8 UNC holes in steel and other materials. Its TiCN coating and plug chamfer suit general-purpose tapping in machining, automotive, and industrial maintenance applications where precise internal threads are required.

What are the specifications of the OSG tap 1146108?

The OSG tap 1146108 is a 1"-8 UNC straight flute tap with H6 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is made of TiCN coated high speed steel, designed for hand tapping in ferrous and non-ferrous materials. The manufacturer part number is 1146108.

Where to buy OSG taps like 1146108 worldwide?

3G Electric supplies OSG taps like the 1146108 to customers worldwide. We handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this general-purpose hand tap for 1"-8 UNC threading.

How to select the right OSG tap for UNC threads?

Select an OSG tap by matching thread size (e.g., 1"-8 UNC), chamfer type (plug for through holes, bottoming for blind holes), and coating (TiCN for steel). Ensure the tap tolerance (H6) aligns with your required thread class (2B-3B). Consult OSG's technical data for material-specific recommendations.

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

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