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

3G Electric
RFQ CartGet a QuoteSign inSign up
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-10 UNC, H3 / 2B-3B, 4 Flute - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-10 UNC, H3 / 2B-3B, 4 Flute

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 12603100) is a general-purpose STI tap for 3/4"-10 UNC threads. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets your…

SKU 3G-OTH-262100

Brand
OSG
Item
Screw Thread Insert STI Tap: Straight Fute, 3/4"-10 UNC, H3 / 2B-3B, 4 Flute
Category
General Purpose STI Taps
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
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

Technical Specifications

OSG
Manufacturer Part Number
12603100
Type
H3 / 2B-3B, Plug Chamfer
Flute
4
UNC
3/4"-10
View Full Spec Sheet

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 (Straight Flute, MPN 12603100) is a general-purpose STI tap for 3/4"-10 UNC threads. It features an H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. 3G Electric interprets your demand for this OEM-specified tool, sources it, and supports your application across 14 industrial departments — with specialist depth in combustion, pumps, and controls.

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 components for installing helical screw thread inserts. It is commonly applied in aerospace, automotive, and general manufacturing where thread repair or reinforcement is needed.

What are the specifications of the OSG STI Tap 12603100?

This OSG STI Tap has a 3/4"-10 UNC thread size, H3 / 2B-3B tolerance, 4 flutes, and a plug chamfer. It is a straight flute, general purpose tap designed for thread insert installation. The manufacturer part number is 12603100.

Where to buy OSG STI Taps worldwide?

You can source OSG STI Taps worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on this and other OSG tooling.

How to select the correct OSG STI Tap for thread inserts?

Select an OSG STI Tap based on the thread size and pitch of the insert, such as 3/4"-10 UNC. Ensure the tap tolerance (e.g., H3 / 2B-3B) matches the required class of fit. Use a plug chamfer for through holes and a bottoming chamfer for blind holes.

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 →

Similar products

Matched by specification & description
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12603500). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12603500). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12603200). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-10 UNC, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12603200). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12602700). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-18 UNF, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12602700). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12601500). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 9/16"-12 UNC, H3 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12601500). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12601100). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-13 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 12601100). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1812000). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/4"-20 UNC, H3 / 2B-3B, 3 Flute, Plug Chamfer (MPN 1812000). Key specifications — attr1299996: H3 / 2B-3B.

More from OSG

View all OSG parts →
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601400). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12601400). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813900). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 1/2"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813900). Key specifications — attr1299996: H3 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602600). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 5/8"-11 UNC, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12602600). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12603800). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 3/4"-16 UNF, H4 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 12603800). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, #3-48 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 6003200). Key specifications — attr1299996: H2 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, #3-48 UNC, H2 / 2B-3B, 3 Flute, Plug Chamfer (MPN 6003200). Key specifications — attr1299996: H2 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 6019800). Key specifications — attr1299996: H4 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-14 UNC, H4 / 2B-3B, 4 Flute, Plug Chamfer (MPN 6019800). Key specifications — attr1299996: H4 / 2B-3B.
OSG Screw Thread Insert STI Tap: Straight Fute, M3x0.5 Metric, D2 / 4H-6H, 3 Flute, High Speed Steel (MPN 12800300). Key specifications — attr1299996: D2 / 4H-6H.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, M3x0.5 Metric, D2 / 4H-6H, 3 Flute, High Speed Steel (MPN 12800300). Key specifications — attr1299996: D2 / 4H-6H.
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813500). Key specifications — attr1299996: H3 / 2B-3B.
OSG
OSG Screw Thread Insert STI Tap: Straight Fute, 7/16"-20 UNF, H3 / 2B-3B, 4 Flute, Bottoming Chamfer (MPN 1813500). Key specifications — attr1299996: H3 / 2B-3B.