These drills are machine screw length also called stubby or stub length because they average 2" to 4" in length depending on the size
Square Flute Design
Put them through the test
Drill Hog 7/32" Screw Machine Stubby HI-Molybdenum M7 Drill Bit
1/4" to 1-3/8" Step Drill Bit
21 Pc Jr Drill Bit Set Index COBALT M42 Lifetime Warranty Drill Hog® These drills are machine screwDrill Hog 21 Pc Cobalt M42 Drill Bit Set Includes: 21 Fractional Sizes 1 16" 3 8" 1 16" to 3 8" by 1 64ths Sizes: 1 16", 5 64", 3 32", 7 64", 1 8", 9 64", 5 32", 11 64", 3 16", 13 64", 7 32", 15 64", 1 4" 17 64", 9 32", 19 64", 5 16", 21 64", 11 32", 23 64", 3 8" Specifications: COBALT M42 Sized in 1 64th Increments (Does not Skip any Sizes) 135 Degree Split Point Prevents "Walking" Tri Flat Shank Prevents "Spinning" in Chuck Includes Steel Case with