Tapered drill countersinks for recessing screws in all types of wood. The single twist design helps chips eject faster for cleaner holes. Made of smooth drilling, longlasting, heat-treated steel. Individual countersinks include 3 pieces: high speed steel tapered drill bit, countersink-counterbore, and stop collar (no allen wrench). The full set includes 7 drills, 7 countersinks, 7 stop-collars, and an allen wrench for a total of 22 pieces plus a case.
Sizes: (drills) 1/8", 9/64", 5/32", 11/64", 3/16", 13/64" and 7/32"
Note: Last two digits in item number refers to screw size.
Maximum RPM's
Hard Wood: 450
Soft Wood: 875
| Item # | Drill Size | Overall Lgth |
| WHF-#5 | 1/8" | 3" |
| WHF-#6 | 9/16" | 3" |
| WHF-#7 | 5/32" | 3-1/8" |
| WHF-#8 | 11/64" | 3-1/8" |
| WHF-#9 | 3/16" | 3-3/8" |
| WHF-#10 | 13/64" | 3-1/2" |
| WHF-#12 | 7/32" | 3-3/4" |
| WHF-#Set | | see above |
