Grainger Carbide Bur: Inverted Cone
The APPROVED VENDOR Carbide Bur is a Single-Cut Inverted Cone Bur, trade number SN-61, with a 3/32" x 1/8" head and a 3/32" shank (MPN 310-001220).
SKU 3G-OTH-543768
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Product Description
The APPROVED VENDOR Carbide Bur is a Single-Cut Inverted Cone Bur, trade number SN-61, with a 3/32" x 1/8" head and a 3/32" shank (MPN 310-001220).
Frequently Asked Questions
What is an APPROVED VENDOR SN-61 carbide bur used for?
The APPROVED VENDOR SN-61 single-cut inverted cone carbide bur is used for deburring, chamfering, and shaping hard materials like steel and cast iron. Its inverted cone shape allows access to tight corners and undercuts in machining, tool and die, and metal fabrication applications.
What are the specifications of the APPROVED VENDOR SN-61 carbide bur?
The APPROVED VENDOR SN-61 carbide bur has a 3/32" x 1/8" head, a 3/32" shank, and a single-cut inverted cone design. It is trade number SN-61 with manufacturer part number 310-001220. Single-cut burs provide fast material removal with a smooth finish on ferrous metals.
Where to buy APPROVED VENDOR SN-61 carbide burs worldwide?
3G Electric supplies the APPROVED VENDOR SN-61 carbide bur (MPN 310-001220) to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this single-cut inverted cone bur.
How to select the right carbide bur for inverted cone applications?
For inverted cone applications, select a bur with the correct head diameter and shank size for your rotary tool. The APPROVED VENDOR SN-61 uses a 3/32" shank and a 3/32" x 1/8" head. Single-cut burs are ideal for ferrous metals; double-cut for non-ferrous. Match the trade number to your specific deburring or chamfering task.
Grainger Products
3G Electric supplies Grainger single-cut inverted cone burs. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

