EXW Singapore — collect or forward from our Singapore office.

3G Electric
OSG #10-24 UNC Spiral-Flute STI Tap for Steel & Stainless Steel - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG #10-24 UNC Spiral-Flute STI Tap for Steel & Stainless Steel

The OSG Screw Thread Insert STI Tap is a spiral-flute tap for steel and stainless steel, specified as #10-24 UNC with H2 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is identified by…

SKU 3G-OTH-244188

Brand
OSG
Item
#10-24 UNC Spiral-Flute STI Tap for Steel & Stainless Steel
Part Number
0145508
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
Available to Order
Also known as:0145508OSG
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.
EXW Singapore
Collect or forward from our office
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Local availability & support

Payment
Invoicing in USD. Bank transfer (SWIFT) and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
0145508
Type
#10-24 UNC, H2 / 2B-3B, Bottoming Chamfer
Flute
3

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 is a spiral-flute tap for steel and stainless steel, specified as #10-24 UNC with H2 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes and is identified by manufacturer part number 0145508.

Frequently Asked Questions

What is the OSG Screw Thread Insert STI Tap used for?

This OSG spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel before installing screw thread inserts. It is commonly used in automotive, aerospace, and general manufacturing applications where strong, wear-resistant threads are required.

What are the specifications of the OSG STI Tap #10-24 UNC?

The OSG STI Tap (MPN 0145508) has a #10-24 UNC thread size, H2 / 2B-3B tolerance, 3-flute design, and bottoming chamfer. It is a spiral-flute tap for steel and stainless steel, ensuring efficient chip evacuation and precise thread forming for insert installation.

Where to buy OSG STI Taps worldwide?

3G Electric supplies OSG STI Taps worldwide. As a global industrial distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time on the OSG Screw Thread Insert STI Tap #10-24 UNC.

How to select the correct STI tap for screw thread inserts?

Select an STI tap that matches the insert's thread size and pitch, such as #10-24 UNC. Use a bottoming chamfer for blind holes and a spiral-flute design for steel or stainless steel. OSG taps are precision-ground to H2 tolerance for consistent 2B-3B class threads.

Used in

Common applications for OSG
Aerospace — OSG STI taps for installing helical wire thread inserts in aluminum components
Automotive — OSG spiral-point taps for through-hole threading in engine blocks and transmission cases
General machining — OSG spiral-flute taps for blind-hole threading in steel and stainless steel parts
Heavy equipment repair — OSG thread-forming taps for creating threads in ductile iron and steel castings
Precision manufacturing — OSG solid carbide chucking reamers for finishing holes in hydraulic manifolds
Die and mold — OSG coolant-through solid carbide drills for deep-hole drilling in tool steels
Not sure this is the right part? Photo-identify it→

OSG Products

3G Electric supplies OSG spiral-flute sti taps for steel & stainless steel. 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 →

More from OSG

View all OSG parts →
Spiral-flute STI tap for threading holes to accept screw thread inserts in steel and stainless steel. UNF 1/4"-28, H2 / 2B-3B tolerance, bottoming chamfer, 3 flutes. Suitable for repair and reinforcement of tapped holes
OSG
Spiral-flute STI tap for threading holes to accept screw thread inserts in steel and stainless steel. UNF 1/4"-28, H2 / 2B-3B tolerance, bottoming chamfer, 3 flutes. Suitable for repair and reinforcement of tapped holes
Spiral-flute STI tap for threading holes in steel and stainless steel to accept screw thread inserts. UNF 9/16"-18 thread size, H4 / 2B-3B tolerance, bottoming chamfer, 4 flutes. Suitable for blind hole applications requiring threads close to the hole bottom
OSG
Spiral-flute STI tap for threading holes in steel and stainless steel to accept screw thread inserts. UNF 9/16"-18 thread size, H4 / 2B-3B tolerance, bottoming chamfer, 4 flutes. Suitable for blind hole applications requiring threads close to the hole bottom
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Designed for through-hole applications, the spiral flute geometry evacuates chips upward. Thread size 7/8"-14 UNF, tolerance H3 / 2B-3B, 4 flutes
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept screw thread inserts. Designed for through-hole applications, the spiral flute geometry evacuates chips upward. Thread size 7/8"-14 UNF, tolerance H3 / 2B-3B, 4 flutes
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 7/8"-14 UNF with H3 / 2B-3B tolerance and 4 flutes. Spiral flute design aids chip evacuation in blind-hole applications. Used in maintenance and repair of threaded holes requiring thread inserts
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 7/8"-14 UNF with H3 / 2B-3B tolerance and 4 flutes. Spiral flute design aids chip evacuation in blind-hole applications. Used in maintenance and repair of threaded holes requiring thread inserts
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 5/16"-18 UNC with tolerance class H3 / 2B-3B, 3 flutes. Suitable for applications requiring thread repair or reinforcement in demanding materials
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 5/16"-18 UNC with tolerance class H3 / 2B-3B, 3 flutes. Suitable for applications requiring thread repair or reinforcement in demanding materials
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 3/8"-16 UNC, 3 flutes, tolerance class H4 / 2B-3B. Suitable for repair or reinforcement of threaded holes in demanding materials
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. Thread size 3/8"-16 UNC, 3 flutes, tolerance class H4 / 2B-3B. Suitable for repair or reinforcement of threaded holes in demanding materials
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. UNC 3/4"-10 thread size, H3 / 2B-3B tolerance, bottoming chamfer, 4 flutes. Suitable for thread repair and reinforcement in demanding applications
OSG
Spiral-flute STI tap for cutting internal threads in steel and stainless steel to accept helical wire thread inserts. UNC 3/4"-10 thread size, H3 / 2B-3B tolerance, bottoming chamfer, 4 flutes. Suitable for thread repair and reinforcement in demanding applications
This spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. It features a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, bottoming chamfer, and 4 flutes. Suitable for thread repair or insert installation in ferrous materials
OSG
This spiral-flute STI tap is designed for cutting internal threads in steel and stainless steel prior to installing screw thread inserts. It features a 7/8"-9 UNC thread size, H3 / 2B-3B tolerance, bottoming chamfer, and 4 flutes. Suitable for thread repair or insert installation in ferrous materials

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first