Blair Equipment

Buying Guide: Spot Weld Cutters and Hole Cutters

Spot Weld Cutters and Kits
The Karbon X Rotabroach spot weld cutter kit in 3/8 inch is for use in hand-held drills, and its precision cutting action cuts around the spot weld in seconds. The kit includes three 3/8 inch Rotabroach cutters, an arbor and an extra pilot. Premium spot weld cutters with a skip-proof pilot are also available, so match the cutter size to the spot weld before you order.

Hole Cutters, Arbors and Pilots
Rotabroach cutters come in sizes such as 1/4 in., 3/8 in., 7/16 in., 5/8 in. and 3/4 in., and the Rotabroach hole cutter is 8 mm in diameter and made of M2 high speed steel. One Rotabroach arbor is for 13/16 in. and larger cutters, and the holcutter is 1 in. in diameter. Match the arbor and pilot to the cutter you are using before you order.

Premium Carbide Spot Weld Cutters
Premium carbide spot weld cutters come in 8mm and 10mm sizes. The 6.5 mm solid carbide spot weld cutter is for car restoration and auto body repair, and it removes spot welds in boron and other Ultra High Strength Steels. Check the cutter size against the spot weld you need to remove before you order.

Frequently Asked Questions

What does Blair Equipment make?
Blair Equipment offers spot weld cutters and kits, Rotabroach and holcutter hole cutters, arbors, pilot pins and drills, and a Flanger Tool for body panels. Karbon X and premium cutter kits are also in the range.

How do I choose the right size or type?
Start with the size of the spot weld or hole, and match the cutter to it. Rotabroach cutters come in sizes such as 1/4 in., 3/8 in., 7/16 in., 5/8 in. and 3/4 in., and carbide spot weld cutters come in 6.5 mm, 8mm and 10mm. Check the arbor and pilot against your cutters, and check your drill before you order.

What work are the Blair spot weld cutters meant for?
The 6.5 mm solid carbide spot weld cutter is for car restoration and auto body repair. The 3/8 inch Karbon X kit is for use in hand-held drills and cuts around the spot weld in seconds.