EXW Singapore — collect or forward from our Singapore office.

3G Electric
OSG 1/4"-28 UNF General Purpose STI Tap, H3 / 2B-3B, Bottoming Chamfer, 3 Flutes - General Purpose STI Taps
OSGGeneral Purpose STI Taps

OSG 1/4"-28 UNF General Purpose STI Tap, H3 / 2B-3B, Bottoming Chamfer, 3 Flutes

The OSG Screw Thread Insert STI Tap (Straight Flute, MPN 6014500) is a general-purpose STI tap with a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer.

SKU 3G-OTH-262029

Brand
OSG
Item
1/4"-28 UNF General Purpose STI Tap, H3 / 2B-3B, Bottoming Chamfer, 3 Flutes
Part Number
6014500
Category
General Purpose STI Taps
Available to Order
Also known as:6014500OSG
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
6014500
Type
H3 / 2B-3B, Bottoming Chamfer
Flute
3
UNF
1/4"-28

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 6014500) is a general-purpose STI tap with a 1/4"-28 UNF thread, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer.

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 wire 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 6014500?

The OSG STI Tap 6014500 has a 1/4"-28 UNF thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer. It is a straight flute, general purpose tap designed for screw thread insert installation. The manufacturer part number is 6014500.

Where to buy OSG STI Tap 6014500 worldwide?

You can source the OSG STI Tap 6014500 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.

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

Select an OSG STI tap based on the thread insert size, such as 1/4"-28 UNF, and the required thread class (e.g., H3 / 2B-3B). Ensure the tap has the correct chamfer type—bottoming for blind holes or plug for through holes. Always match the tap to the insert manufacturer's specifications.

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 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 →

More from OSG

View all OSG parts →
OSG general purpose STI tap for cutting internal threads to accept helical wire thread inserts. #10-24 UNC size with H2 tolerance, suitable for 2B-3B class of fit. Plug chamfer and 3 straight flutes for effective chip evacuation in through or blind holes
OSG
OSG general purpose STI tap for cutting internal threads to accept helical wire thread inserts. #10-24 UNC size with H2 tolerance, suitable for 2B-3B class of fit. Plug chamfer and 3 straight flutes for effective chip evacuation in through or blind holes
General purpose STI tap for cutting internal threads to accept helical wire thread inserts. Features a straight flute design with 4 flutes for chip evacuation. Thread size M10x1.5 metric with D4 / 4H-6H tolerance class. Suitable for use in aluminum, cast iron, and steel components
OSG
General purpose STI tap for cutting internal threads to accept helical wire thread inserts. Features a straight flute design with 4 flutes for chip evacuation. Thread size M10x1.5 metric with D4 / 4H-6H tolerance class. Suitable for use in aluminum, cast iron, and steel components
Straight flute STI tap for cutting internal threads for screw thread inserts. 1/2"-20 UNF, bottoming chamfer allows threading close to the bottom of blind holes. H4 / 2B-3B tolerance, 4 flutes. Suitable for general-purpose threading in applications requiring thread repair or strengthening
OSG
Straight flute STI tap for cutting internal threads for screw thread inserts. 1/2"-20 UNF, bottoming chamfer allows threading close to the bottom of blind holes. H4 / 2B-3B tolerance, 4 flutes. Suitable for general-purpose threading in applications requiring thread repair or strengthening
General purpose STI tap for cutting internal threads in metal or plastic to accommodate screw thread inserts. Features a bottoming chamfer for threading to the bottom of blind holes. Straight flute design with 4 flutes. Thread size 7/16"-14 UNC, tolerance H4 / 2B-3B
OSG
General purpose STI tap for cutting internal threads in metal or plastic to accommodate screw thread inserts. Features a bottoming chamfer for threading to the bottom of blind holes. Straight flute design with 4 flutes. Thread size 7/16"-14 UNC, tolerance H4 / 2B-3B

Customer reviews

No reviews yet — be the first

Questions & answers

No questions yet — ask us the first