These also have the standard ANSI 1/4″ hex drive shank, so they work in any standard power driver and in the QUICK CHUCK described elsewhere. Protrusion of drill bit (included) is adjustable for different length screws. Countersink portion is sharp and is ground to 82° angle. Length about 3″, weight 1 oz. Note suggested screw sizes are different for hard or soft woods.
| Cat No. | Bit Diam | Hrd Wd | Sft Wd | Cat No. | Bit Diam | Hrd Wd | Sft Wd | |
| CK-5 | 5/64″ | #4 | – | CK-8 | 1/8″ | #8 | #10 | |
| CK-6 | 3/32″ | – | #6 | CK-9 | 9/64″ | #10 | #12 | |
| CK-7 | 7/64″ | #6 | #8 | CK-30 | Set of all Five Sizes, Wt 5 oz | |||
