System of Measurement
System of Measurement
For Maximum Hardness
For Maximum Hardness
Overall Length
Overall Length
Flute Direction
Flute Direction
Individual/Set
Individual/Set
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
RoHS (Restriction of Hazardous Substances)
RoHS (Restriction of Hazardous Substances)
DFARS (Defense Acquisition Regulations Supplement)
DFARS
(Defense Acquisition
Regulations
Supplement)
Drill Bit Decimal Size Equivalents
Carbide-Tipped Drill Bits for Hardened Steel The straight flutes and notched point withstand the heavy pressure necessary to penetrate hard steel. These carbide-tipped bits maintain their sharp edges when drilling abrasive material. Because they aren’t as brittle as solid carbide bits, they can be used in less rigid setups, such as a hand-held drill. They are jobbers' length and have the rigidity and length required for most hand-held drilling and machine tool applications.
For technical drawings and 3-D models, click on a part number.
Size Decimal Size Equivalent OverallLg. Max. Drilling Dp. Type Size Point Style For Max. Hardness Each Inch
Uncoated Carbide-Tipped Steel
3/16 "0.1875" 3 1/2 " 0.75" Round 3/16 "Notched Rockwell C60 0000000 000000 13/64 "0.2031" 3 3/4 " 0.81" Round 13/64 "Notched Rockwell C60 0000000 00000 7/32 "0.2188" 3 3/4 " 0.87" Round 7/32 "Notched Rockwell C60 0000000 00000 15/64 "0.2344" 4" 0.93" Round 15/64 "Notched Rockwell C60 0000000 00000 1/4 "0.25" 4" 1" Round 1/4 "Notched Rockwell C60 0000000 00000 17/64 "0.2656" 4 1/4 " 1.06" Round 17/64 "Notched Rockwell C60 0000000 00000 9/32 "0.2813" 4 1/4 " 1.12" Round 9/32 "Notched Rockwell C60 0000000 00000 19/64 "0.2969" 4 1/2 " 1.18" Round 19/64 "Notched Rockwell C60 0000000 00000 5/16 "0.3125" 4 1/2 " 1.25" Round 5/16 "Notched Rockwell C60 0000000 00000 21/64 "0.3281" 4 3/4 " 1.31" Round 21/64 "Notched Rockwell C60 0000000 00000 11/32 "0.3438" 4 3/4 " 1.37" Round 11/32 "Notched Rockwell C60 0000000 00000 23/64 "0.3594" 5" 1.43" Round 23/64 "Notched Rockwell C60 0000000 00000 3/8 "0.375" 5" 1.5" Round 3/8 "Notched Rockwell C60 0000000 00000 25/64 "0.3906" 5 1/4 " 1.56" Round 25/64 "Notched Rockwell C60 0000000 00000 13/32 "0.4063" 5 1/4 " 1.62" Round 13/32 "Notched Rockwell C60 0000000 00000 27/64 "0.4219" 5 1/2 " 1.68" Round 27/64 "Notched Rockwell C60 0000000 00000 7/16 "0.4375" 5 1/2 " 1.75" Round 7/16 "Notched Rockwell C60 0000000 00000 15/32 "0.4688" 5 3/4 " 1.87" Round 15/32 "Notched Rockwell C60 0000000 00000 1/2 "0.5" 6" 2" Round 1/2 "Notched Rockwell C60 0000000 00000 17/32 "0.5313" 6" 2.12" Round 17/32 "Notched Rockwell C60 0000000 00000 9/16 "0.5625" 6" 2.25" Round 9/16 "Notched Rockwell C60 0000000 00000 5/8 "0.625" 7" 2.5" Round 5/8 "Notched Rockwell C60 0000000 00000 3/4 "0.75" 8" 3" Round 3/4 "Notched Rockwell C60 0000000 00000 Metric
Uncoated Carbide-Tipped Steel
5.0 mm 0.1968" 95mm 20mm Round 5mm Notched Rockwell C60 0000000 00000 5.5 mm 0.2165" 95mm 22mm Round 5.5mm Notched Rockwell C60 0000000 00000 6.0 mm 0.2362" 102mm 24mm Round 6mm Notched Rockwell C60 0000000 00000 6.5 mm 0.2559" 108mm 26mm Round 6.5mm Notched Rockwell C60 0000000 00000 7.0 mm 0.2756" 108mm 28mm Round 7mm Notched Rockwell C60 0000000 00000 7.5 mm 0.2953" 114mm 30mm Round 7.5mm Notched Rockwell C60 0000000 00000 8.0 mm 0.315" 114mm 32mm Round 8mm Notched Rockwell C60 0000000 00000 8.5 mm 0.3346" 121mm 34mm Round 8.5mm Notched Rockwell C60 0000000 00000 9.0 mm 0.3543" 127mm 36mm Round 9mm Notched Rockwell C60 0000000 00000 9.5 mm 0.374" 127mm 38mm Round 9.5mm Notched Rockwell C60 0000000 00000 10.0 mm 0.3937" 133mm 40mm Round 10mm Notched Rockwell C60 0000000 00000 10.5 mm 0.4134" 140mm 42mm Round 10.5mm Notched Rockwell C60 0000000 00000 11.0 mm 0.4331" 140mm 44mm Round 11mm Notched Rockwell C60 0000000 00000 11.5 mm 0.4528" 146mm 46mm Round 11.5mm Notched Rockwell C60 0000000 00000 12.0 mm 0.4724" 146mm 48mm Round 12mm Notched Rockwell C60 0000000 00000 12.5 mm 0.4921" 152mm 50mm Round 12.5mm Notched Rockwell C60 0000000 00000 13.0 mm 0.5118" 152mm 52mm Round 13mm Notched Rockwell C60 0000000 00000 13.5 mm 0.5315" 152mm 54mm Round 13.5mm Notched Rockwell C60 0000000 00000 14.0 mm 0.5512" 152mm 56mm Round 14mm Notched Rockwell C60 0000000 00000
The quick brown fox jumped over the lazy dog. Pedestal (35" Ht. x 4" Wd. x 4" Dp.)