Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

OSG 7/16"-14 UNC General Purpose Spiral-Flute Tap - General Purpose Spiral-Flute Taps
OSGGeneral Purpose Spiral-Flute Taps

OSG 7/16"-14 UNC General Purpose Spiral-Flute Tap

OSG General Purpose Spiral-Flute Taps.

SKU 3G-OTH-230834

Brand
OSG
Item
7/16"-14 UNC General Purpose Spiral-Flute Tap
Category
General Purpose Spiral-Flute Taps
Available to Order
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.
Worldwide Shipping
Air & sea freight
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
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

OSG
Manufacturer Part Number
1431308

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

OSG General Purpose Spiral-Flute Taps.

Frequently Asked Questions

What is the OSG spiral flute tap 7/16"-14 UNC used for?

This OSG spiral flute tap is designed for threading blind holes in materials such as steel and stainless steel. The spiral flute design evacuates chips upward, preventing clogging. It is commonly used in automotive, aerospace, and general manufacturing applications where precise internal threads are required.

What are the specifications of the OSG spiral flute tap 7/16"-14 UNC?

The OSG spiral flute tap has a thread size of 7/16"-14 UNC, with a H3 / 2B-3B tolerance class. It features 3 flutes and a bottoming chamfer, making it suitable for threading to the bottom of blind holes. The manufacturer part number is 1431308.

Where to buy the OSG spiral flute tap 7/16"-14 UNC worldwide?

You can source the OSG spiral flute tap 7/16"-14 UNC worldwide through 3G Electric. As a global industrial equipment distributor, 3G Electric handles full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time.

How to select the correct OSG spiral flute tap for blind holes?

For blind holes, choose a spiral flute tap with a bottoming chamfer, like this OSG model, to thread close to the hole bottom. Ensure the thread size (7/16"-14 UNC) and tolerance class (H3 / 2B-3B) match your application. Consider material hardness and tap coating for optimal performance.

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 spiral-flute 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

Compatible alternatives & equivalents

Cross-referenced by specification & description
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1431305)
OSG
OSG Spiral Flute Tap: 7/16"-14 UNC, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1431305)
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging. It features a 3/8"-16 UNC thread size, H3 / 2B-3B tolerance class, 3 flutes, and a bottoming chamfer for threading to the bottom of blind holes. Suitable for general-purpose tapping applications requiring thread accuracy
OSG
This spiral-flute tap is designed for threading blind holes in ferrous and non-ferrous materials. The spiral flute design evacuates chips upward, preventing clogging. It features a 3/8"-16 UNC thread size, H3 / 2B-3B tolerance class, 3 flutes, and a bottoming chamfer for threading to the bottom of blind holes. Suitable for general-purpose tapping applications requiring thread accuracy
Spiral-flute tap for threading blind holes in steel and aluminum. The spiral flute design lifts chips upward to prevent clogging. Features 7/16"-20 UNF thread, H3 tolerance for 2B or 3B thread classes, 3 flutes, and bottoming chamfer
OSG
Spiral-flute tap for threading blind holes in steel and aluminum. The spiral flute design lifts chips upward to prevent clogging. Features 7/16"-20 UNF thread, H3 tolerance for 2B or 3B thread classes, 3 flutes, and bottoming chamfer
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1430708)
OSG
OSG Spiral Flute Tap: 5/16"-24 UNF, H3 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1430708)
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 3 flutes and a bottoming chamfer to evacuate chips upward, ensuring clean threads in applications where chip clearance is critical. Tolerance class H3 / 2B-3B provides precise thread fit for medium-hard materials
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 3 flutes and a bottoming chamfer to evacuate chips upward, ensuring clean threads in applications where chip clearance is critical. Tolerance class H3 / 2B-3B provides precise thread fit for medium-hard materials
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel, stainless steel, and aluminum. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It features a 1/2"-13 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer for threading to the bottom of blind holes
OSG
This OSG spiral-flute tap is designed for threading blind holes in materials such as steel, stainless steel, and aluminum. The spiral flute design lifts chips upward, preventing clogging in deep or blind holes. It features a 1/2"-13 UNC thread size, H3 / 2B-3B tolerance, 3 flutes, and a bottoming chamfer for threading to the bottom of blind holes

More from OSG

View all OSG parts
General purpose spiral-flute tap for threading blind holes in steel and non-ferrous materials. Features a bottoming chamfer for threading to the bottom of the hole, TiN-coated high-speed steel construction for reduced friction and extended tool life, and 3 flutes for efficient chip evacuation upward. Tolerance class 6H
OSG
General purpose spiral-flute tap for threading blind holes in steel and non-ferrous materials. Features a bottoming chamfer for threading to the bottom of the hole, TiN-coated high-speed steel construction for reduced friction and extended tool life, and 3 flutes for efficient chip evacuation upward. Tolerance class 6H
General purpose spiral-flute tap for threading blind holes in metal, where chips must be evacuated upward. Features M4x0.7 metric thread, 6H tolerance, bottoming chamfer, and TiN coated high speed steel construction with 3 flutes. Suitable for general machining applications
OSG
General purpose spiral-flute tap for threading blind holes in metal, where chips must be evacuated upward. Features M4x0.7 metric thread, 6H tolerance, bottoming chamfer, and TiN coated high speed steel construction with 3 flutes. Suitable for general machining applications
General purpose spiral-flute tap for threading blind holes. TiCN coated high-speed steel construction with H5 tolerance for 2B-3B class threads. Plug chamfer and 3-flute design facilitate chip evacuation in materials such as steel and aluminum. Suitable for CNC and manual machining operations
OSG
General purpose spiral-flute tap for threading blind holes. TiCN coated high-speed steel construction with H5 tolerance for 2B-3B class threads. Plug chamfer and 3-flute design facilitate chip evacuation in materials such as steel and aluminum. Suitable for CNC and manual machining operations
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 1 3/8"-12 UNF thread, 2B class fit, 4 flutes, and modified bottoming chamfer. Spiral flute design evacuates chips upward to prevent clogging
OSG
General purpose spiral-flute tap for threading blind holes in ferrous and non-ferrous materials. Features 1 3/8"-12 UNF thread, 2B class fit, 4 flutes, and modified bottoming chamfer. Spiral flute design evacuates chips upward to prevent clogging
This OSG spiral-flute tap is designed for threading blind holes in general-purpose applications. The spiral flute geometry lifts chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for threading close to the bottom of a hole. The H7 / 2B-3B tolerance provides accurate thread fit
OSG
This OSG spiral-flute tap is designed for threading blind holes in general-purpose applications. The spiral flute geometry lifts chips upward, preventing clogging and ensuring clean threads. With a modified bottoming chamfer, it is suitable for threading close to the bottom of a hole. The H7 / 2B-3B tolerance provides accurate thread fit
General purpose spiral-flute tap for threading blind holes. The spiral flute design lifts chips upward, preventing clogging. Suitable for materials such as steel and stainless steel. Features a 3/4"-16 UNF thread size, H3 ground thread limit for 2B-3B class fit, 4 flutes, and a bottoming chamfer
OSG
General purpose spiral-flute tap for threading blind holes. The spiral flute design lifts chips upward, preventing clogging. Suitable for materials such as steel and stainless steel. Features a 3/4"-16 UNF thread size, H3 ground thread limit for 2B-3B class fit, 4 flutes, and a bottoming chamfer
General purpose spiral-flute tap for threading blind holes. Bottoming chamfer allows threading close to hole bottom. Spiral flute design evacuates chips upward, preventing clogging. Suitable for steel and aluminum. High speed steel construction. 7/16"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes
OSG
General purpose spiral-flute tap for threading blind holes. Bottoming chamfer allows threading close to hole bottom. Spiral flute design evacuates chips upward, preventing clogging. Suitable for steel and aluminum. High speed steel construction. 7/16"-20 UNF thread size, H3 / 2B-3B tolerance, 3 flutes
This OSG spiral-flute tap is designed for threading blind holes in a variety of materials. It features a TiN-coated high-speed steel construction, a bottoming chamfer, and three flutes for efficient chip evacuation. Suitable for general-purpose machining applications
OSG
This OSG spiral-flute tap is designed for threading blind holes in a variety of materials. It features a TiN-coated high-speed steel construction, a bottoming chamfer, and three flutes for efficient chip evacuation. Suitable for general-purpose machining applications