SDB Straight Shank Masonry Drill Bits

Diameter Overall Length Usable Length For Use With Screw Lengths Part No.
3/16" 4" 101.6 mm 2-1/2" 63.5 mm   DRL-SDB187-4000
3/16" 6" 152.4 mm 4-1/2" 114.3 mm 1-1/4", 1-3/4", 2-1/4",
2-3/4", 3-1/4", 3-3/4"
DRL-SDB187-6000

SDSB Shank Masonry Drill Bits

Diameter Overall Length Usable Length For Use With Screw Lengths Part No.
3/16" 4" 101.6 mm 2" 50.8 mm   DRL-SDSB187-4000
3/16" 6" 152.4 mm 4" 101.6 mm 1-1/4" thru 3-1/4" DRL-SDSB187-6000
3/16" 8" 203.2 mm 6" 152.4 mm 3-3/4", 4-1/4", 5" DRL-SDSB187-8000
3/16" 10" 254.0 mm 8" 203.2 mm 6" and 7" DRL-SDSB187-10000
3/16" 12" 304.8 mm 10" 254.0 mm 8" DRL-SDSB187-12000
3/16" 14" 355.6 mm 12" 304.8 mm 10" DRL-SDSB187-14000
7/32" 8" 203.2 mm 6" 152.4 mm 3-3/4", 4-1/4", 5" DRL-SDSB218-8000
7/32" 11" 279.4 mm 9" 228.6 mm 6", 7", 8" DRL-SDSB218-11000
7/32" 14" 355.6 mm 12" 304.8 mm 10", 11", 12" DRL-SDSB218-14000
1/4" 6" 152.4 mm 4" 101.6 mm 1-1/4" thru 3-1/4" DRL-SDSB250-6000
1/4" 8" 203.2 mm 6" 152.4 mm 3-3/4", 4-1/4", 5" DRL-SDSB250-8000
1/4" 11" 279.4 mm 9" 228.6 mm 6", 7", 8" DRL-SDSB250-11000
1/4" 14" 355.6 mm 12" 304.8 mm 10" DRL-SDSB250-14000
1/4" 16" 406.4 mm 14" 355.6 mm 10", 11", 12" DRL-SDSB250-16000