OSG Straight Flute Tap: #4-36 UNS, H2 / 2B-3B, 3 Flute, Bottoming Chamfer (MPN 1012901)
SKU 3G-OTH-221733
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is the OSG Straight Flute Tap #4-36 UNS used for?
The OSG Straight Flute Tap #4-36 UNS is a general-purpose hand tap designed for threading holes in a wide range of materials. Its bottoming chamfer allows threading to the bottom of blind holes, making it suitable for precision manufacturing, automotive, and aerospace applications where accurate internal threads are required.
What are the specifications of the OSG Straight Flute Tap #4-36 UNS?
The OSG Straight Flute Tap has a #4-36 UNS thread size, H2 tolerance, and a 2B-3B class of fit. It features 3 flutes and a bottoming chamfer. The manufacturer part number is 1012901. This tap is designed for general-purpose hand tapping operations in various materials.
Where to buy the OSG Straight Flute Tap #4-36 UNS worldwide?
You can source the OSG Straight Flute Tap #4-36 UNS 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; we supply this OSG tap to customers across industries.
How to select the correct OSG Straight Flute Tap for a threading job?
To select the correct OSG Straight Flute Tap, match the thread size (e.g., #4-36 UNS), tolerance (H2), and class of fit (2B-3B) to your application. Consider the chamfer type: bottoming for blind holes or taper for through holes. Ensure the tap material suits the workpiece hardness. OSG taps are precision-ground for consistent performance.
Used in
Common applications for OSGOSG Products
3G Electric supplies OSG general purpose hand taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

