OSG FORMING Tap: #4-40 UNC, H9, Modified Bottoming Chamfer
SKU 3G-OTH-237789
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Frequently Asked Questions
What is an OSG FORMING #4-40 UNC tap used for?
This OSG FORMING tap creates internal threads in ductile materials like aluminum, brass, and low-carbon steel. The #4-40 UNC size is common in precision assemblies, electronics, and automotive components. Its forming action displaces material rather than cutting, producing stronger threads without chips.
What are the specifications of the OSG FORMING #4-40 UNC tap?
This tap has a #4-40 UNC thread size, H9 tolerance class, and a modified bottoming chamfer. It is made from cobalt high-speed steel for heat resistance and durability. The manufacturer part number is 1400158100. These specs ensure accurate thread forming in harder materials.
Where to buy OSG FORMING taps in worldwide?
3G Electric supplies OSG FORMING taps worldwide, including this #4-40 UNC cobalt tap. We handle full logistics, customs clearance, and delivery to your facility. As a global industrial solutions provider, we source genuine OSG tooling and support your procurement with technical expertise.
How to select the right OSG FORMING tap for my application?
Match the tap size to your thread specification—here #4-40 UNC. Choose H9 tolerance for general fits. Cobalt material suits harder workpieces. Modified bottoming chamfer allows threading close to hole bottoms. For best results, use proper lubrication and ensure hole diameter matches forming tap recommendations.
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3G Electric supplies OSG FORMING general purpose thread-forming taps. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.