Mattson Increment Borers

Mattson 6” Complete Increment Borer, 3-Thread, 0.202˝ (5.15 mm)

Mattson borers feature machined brass end caps and extractor cap, plastic-coated handles, and a barrel-shaped tip for easy starting and removal of the bit. 0.202˝ (5.15 mm) core diameter. Borers are 3-thread style (except the 20˝ borer which is 2-thread). Made of quality Swedish steel.

Note: Mattson Replacement Parts are not interchangeable with other brands.Not for use with electric drills. See Haglof Steel Bits for use with electric drills.