Irwin Unibit 1/4 In. - 3/4 In. #3 Step Drill Bit, 9 Steps Eyewear All Steelmax annular cutters have

All Steelmax annular cutters have standard Weldon shanks

Type: Foam Earplug Application: Hearing Protection Special Features: Noise Reduction Rating of 33 Decibels Size: Universal Noise Reduction Rating:  33 dB Shape: Cylinder Insertion Method: Roll-Down Color: Orange Standard: ANSI S3

form-fitting comfort

For a fixed end system

Irwin Unibit 1/4 In. - 3/4 In. #3 Step Drill Bit, 9 Steps Eyewear All Steelmax annular cutters haveSingle concave flute design creates perfectly round holes in thin materials including steel, brass, copper, and aluminum. Constructed of industrial grade, high speed molybdenum steel. SpeedPoint tip for fast starts.