We ship to the Philippines — door-to-door, customs and logistics handled by 3G Electric

OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap (MPN 12601200) is a general-purpose STI tap with a straight flute design, sized 1/2"-13 UNC. It features a bottoming chamfer, 4 flutes, and an H4 / 2B-3B tolerance class, making it…

SKU 3G-OTH-262042

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

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
12601200
Type
H4 / 2B-3B, Bottoming Chamfer
Flute
4
UNC
1/2"-13

Technical Documents

No technical documents available for this product.
Request documentation
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

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

Product Description

The OSG Screw Thread Insert STI Tap (MPN 12601200) is a general-purpose STI tap with a straight flute design, sized 1/2"-13 UNC. It features a bottoming chamfer, 4 flutes, and an H4 / 2B-3B tolerance class, making it suitable for threading applications requiring screw thread inserts.

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 Screw Thread Insert STI Tap used for?

The OSG Screw Thread Insert STI Tap is used to cut internal threads in metal or plastic for installing helical screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed. The bottoming chamfer allows threading close to the bottom of a blind hole.

What are the specifications of the OSG STI Tap 12601200?

This OSG STI Tap has a 1/2"-13 UNC thread size, H4 / 2B-3B tolerance, 4 flutes, and a bottoming chamfer. It is designed for general-purpose tapping of screw thread insert holes. The straight flute geometry provides good chip evacuation in through-hole applications. The manufacturer part number is 12601200.

Where to buy the OSG STI Tap 12601200 worldwide?

You can source the OSG STI Tap 12601200 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations. Contact us for availability and lead time. We supply genuine OSG tooling for manufacturing and repair operations.

How to select the correct STI tap for thread inserts?

Select an STI tap that matches the thread insert size and class of fit. For a 1/2"-13 UNC insert, use a tap with the same thread designation and an H4 tolerance for 2B-3B fit. The bottoming chamfer is ideal for blind holes. Always verify the tap's flute count and material compatibility with your workpiece.

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

You might also need

Burners & Combustion Pumps & Compressors Spare Parts All Products

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601400)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601400)
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601800)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601800)
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602600)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602600)
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601000)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601000)
OSG Screw Thread Insert STI Tap: Straight Fute, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12604600)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 7/8"-14 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12604600)
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12601100)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12601100)

More from OSG

View all OSG parts
OSG Screw Thread Insert STI Tap: Straight Fute, #4-40 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1804000)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #4-40 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1804000)
OSG Screw Thread Insert STI Tap: Straight Fute, #10-24 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 6010300)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #10-24 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 6010300)
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602200)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602200)
OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-16 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12600800)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 3/8"-16 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12600800)
OSG Screw Thread Insert STI Tap: Straight Fute, #6-32 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1810400)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #6-32 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1810400)
OSG Screw Thread Insert STI Tap: Straight Fute, #8-36 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 12600400)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #8-36 UNF, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 12600400)
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12602100)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-18 UNF, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12602100)
OSG Screw Thread Insert STI Tap: Straight Fute, #6-32 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 6006600)
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #6-32 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 6006600)