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 0147508 Spiral-Flute STI Tap - Spiral-Flute STI Taps for Steel & Stainless Steel
OSGSpiral-Flute STI Taps for Steel & Stainless Steel

OSG 0147508 Spiral-Flute STI Tap

<p>The OSG 0147508 is a high-performance spiral-flute STI tap designed for threading steel and stainless steel. This 7/16&quot;-20 UNF tap features a bottoming chamfer and three flutes, ideal for producing strong…

SKU 3G-OTH-244210

Brand
OSG
Item
0147508 Spiral-Flute STI Tap
Part Number
0147508
Category
Spiral-Flute STI Taps for Steel & Stainless Steel
Available to Order
Also known as:0147508OSG
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
0147508
Type
H4 / 2B-3B, Bottoming Chamfer
Flute
3
UNF
7/16"-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

<p>The OSG 0147508 is a high-performance spiral-flute STI tap designed for threading steel and stainless steel. This 7/16&quot;-20 UNF tap features a bottoming chamfer and three flutes, ideal for producing strong threads in demanding applications. With an H4 tolerance and 2B-3B class of fit, it ensures precise thread dimensions.</p><p>Procurement buyers in Singapore can request an SGD quote from 3G Electric, with GST handled for local orders. Enjoy fast delivery across Singapore and Southeast Asia, with worldwide shipping available.</p>

Frequently Asked Questions

What are the key specifications of the OSG 0147508 tap?

The OSG 0147508 is a spiral-flute STI tap with a 7/16&quot;-20 UNF thread, H4 tolerance, 2B-3B class of fit, bottoming chamfer, and 3 flutes. It is designed for steel and stainless steel.

Can I get a quote in SGD and how is delivery handled?

Yes, 3G Electric provides SGD quotes on request. For Singapore buyers, GST is handled. We offer fast delivery in Singapore and Southeast Asia, and worldwide shipping.

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