Send a part number, a photo, or a whole BOM — we supply it and stand behind it. EXW Singapore — collect from our office.

3G Electric
OSG 0146101 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 0146101 Spiral-Flute STI Tap for Steel & Stainless Steel

The OSG Screw Thread Insert STI Tap (MPN 0146101) is a spiral-flute tap for steel and stainless steel, sized 1/4"-20 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes, designed for…

SKU 3G-OTH-244374

Brand
OSG
Item
0146101 Spiral-Flute STI Tap for Steel & Stainless Steel
Part Number
0146101
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
Available to Order
Also known as:0146101OSG
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 — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.

Technical Specifications

OSG
Manufacturer Part Number
0146101
Type
H3 / 2B-3B, Bottoming Chamfer
Flute
3
UNC
1/4"-20

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 0146101) is a spiral-flute tap for steel and stainless steel, sized 1/4"-20 UNC with an H3 / 2B-3B tolerance and a bottoming chamfer. It features 3 flutes, designed for threading holes to accept screw thread inserts. 3G Electric interprets your demand for this OSG tap and delivers it as part of our broad industrial supply across 14 departments, with specialist depth in cutting tools and fastening solutions.

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 steel and stainless steel for installing screw thread inserts. Its spiral-flute design efficiently evacuates chips, making it ideal for blind-hole applications in automotive, aerospace, and general manufacturing.

What are the specifications of the OSG STI Tap 0146101?

This OSG STI Tap has a thread size of 1/4"-20 UNC, a thread limit of H3 / 2B-3B, 3 flutes, and a bottoming chamfer. It is designed for steel and stainless steel. The manufacturer part number is 0146101.

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 OSG tap.

How to select the correct OSG STI Tap for steel?

Select an OSG STI Tap based on thread size, pitch, and thread class (e.g., H3 / 2B-3B). For steel and stainless steel, choose a spiral-flute design with a bottoming chamfer for blind holes. Ensure the tap matches the insert manufacturer's specifications for proper thread fit.

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