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OSG Straight Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer - General Purpose Hand Taps
OSGGeneral Purpose Hand Taps

OSG Straight Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer

The OSG Straight Flute Tap (5/16"-18 UNC) is a General Purpose Hand Tap with a TiN Coated High Speed Steel construction, featuring an H3 / 2B-3B tolerance, 4 flutes, and a Plug Chamfer (MPN 1120705). 3G Electric…

SKU 3G-OTH-221712

Brand
OSG
Item
Straight Flute Tap: 5/16"-18 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer
Category
General Purpose Hand Taps
Available to Order
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Technical specs
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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
1120705
Type
H3 / 2B-3B, Plug Chamfer, TiN 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 (5/16"-18 UNC) is a General Purpose Hand Tap with a TiN Coated High Speed Steel construction, featuring an H3 / 2B-3B tolerance, 4 flutes, and a Plug Chamfer (MPN 1120705). 3G Electric interprets this demand and sources the genuine OEM part across 14 industrial departments, with specialist depth in cutting tools and machining supplies.

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 OSG Straight Flute Tap 5/16"-18 UNC used for?

This OSG straight flute tap is used for cutting internal threads in through or blind holes. It is ideal for general-purpose hand tapping in steel, aluminum, and other materials, delivering precise UNC threads with a plug chamfer for versatile application.

What are the specifications of OSG Straight Flute Tap 5/16"-18 UNC?

This OSG tap has a 5/16"-18 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, plug chamfer, and TiN coated high speed steel. The manufacturer part number is 1120705. It is designed for general-purpose hand tapping.

Where to buy OSG Straight Flute Tap 5/16"-18 UNC worldwide?

3G Electric supplies and delivers this OSG straight flute tap worldwide. We handle full logistics and customs clearance, ensuring you receive the correct part for your application. Contact us for availability and lead time to your location.

How to select the right tap for 5/16"-18 UNC threads?

Select a tap matching the thread size (5/16"-18 UNC) and tolerance class (H3 for 2B-3B fit). For general hand tapping, a straight flute design with plug chamfer works in most materials. TiN coating reduces friction and extends 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 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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Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1120105)
OSG
OSG Straight Flute Tap: 1/4"-20 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1120105)
OSG Straight Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1124005)
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OSG Straight Flute Tap: 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1124005)
OSG Straight Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121005)
OSG
OSG Straight Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121005)
OSG Straight Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121305)
OSG
OSG Straight Flute Tap: 3/8"-16 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121305)
OSG Straight Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1123705)
OSG
OSG Straight Flute Tap: 5/8"-11 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1123705)
OSG Straight Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121605)
OSG
OSG Straight Flute Tap: 3/8"-24 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer, TiN Coated High Speed Steel (MPN 1121605)

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