HSS/ Cobalt Drills

Showing 1151–1200 of 3073 results

Read more

YG-1 0.1574 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.1574 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

4.0 HSS-Co5% JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: DLGP195040 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.2344 Dia. 135 Cobalt Bright Screw Machine Non-Coolant Thru Drill

YG-1 0.2344 Dia. 135 Cobalt Bright Screw Machine Non-Coolant Thru Drill

15/64 HSS(M42) SCREW MACHINE DRILL

SKU: D2146015 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.5709 Dia. 130 TiN Jobber Non-Coolant Thru Drill

YG-1 0.5709 Dia. 130 TiN Jobber Non-Coolant Thru Drill

14.5MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (JOBBERS)

SKU: 1451KCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, jobber
Read more

YG-1 0.2010 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

YG-1 0.2010 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

#7 HSS(M35) SCREW MACHINE PARABOLIC TIN COATED DRILL

SKU: DN515207 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.7480 Dia. 130 TiN Jobber Non-Coolant Thru Drill

YG-1 0.7480 Dia. 130 TiN Jobber Non-Coolant Thru Drill

19.0MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (JOBBERS)

SKU: 1901KCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, jobber
Read more

Link 0.1890 Dia. 82 HSS TiN Center Drill

Link 0.1890 Dia. 82 HSS TiN Center Drill

12S TYPE DED HSS CENTERDRILL, TiN COAT

SKU: 15-TN-048 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

Link 0.2040 Dia. HSS Bright Center Drill

Link 0.2040 Dia. HSS Bright Center Drill

6R TYPE DED HSS HEY CENTERDRILL

SKU: 27-L2-685 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.3770 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.3770 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

V HSSCo5 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT COLORING

SKU: DL602122 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: aircraft, cobalt drill, construction, drill, energy mfg, general, holemaking, hss drill, job shop, mold/die
Read more

Link 90 Cobalt Bright Countersink Set

Link 90 Cobalt Bright Countersink Set

90? 6FL COBALT COUNTERSINK 4 PC SET (3/8, 1/2, 3/4 & 1)

SKU: 05-CO-568 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Sets, Solid Drills Tags: drill, holemaking, job shop, sets
Read more

Link 0.3750 Dia. 82 HSS Bright Countersink

Link 0.3750 Dia. 82 HSS Bright Countersink

UA7-3/8 ENGLISH SCREW 82D HSS COUNTERSINK

SKU: 65-L2-292 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, counterbore, countersink, holemaking, hss drill, job shop
Read more

YG-1 0.1660 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.1660 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

#19 HSS(M2) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: D1GP138238 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.5610 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.5610 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

14.25 HSS(M42) STUB LENGTH DIN1897 SPLIT POINT DRILLS TIN COATED

SKU: D4107842 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.8906 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

YG-1 0.8906 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

57/64 HSS(M2) MORSE TAPER SHANK TWIST DRILLS

SKU: D1211057 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, drill, general, holemaking, hss drill, job shop, standard
Read more

YG-1 0.4370 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.4370 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

11.1 HSS-Co5% JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: DLGP195111 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.1495 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

YG-1 0.1495 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

#25 HSS(M35) SCREW MACHINE PARABOLIC TIN COATED DRILL

SKU: DN515225 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.3750 Dia. 82 Cobalt Bright Spot Drill

Link 0.3750 Dia. 82 Cobalt Bright Spot Drill

UA4-3/8 82D COBALT SPOT DRILL

SKU: 63-CO-401 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.7283 Dia. 130 TiN Jobber Non-Coolant Thru Drill

YG-1 0.7283 Dia. 130 TiN Jobber Non-Coolant Thru Drill

18.5MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (JOBBERS)

SKU: 1851KCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, jobber
Read more

YG-1 1.4375 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

YG-1 1.4375 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

1-7/16 HSS(M2) MORSE TAPER SHANK TWIST DRILLS

SKU: D1211128 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, drill, general, holemaking, hss drill, job shop, standard
Read more

Link 82 Cobalt Bright Spot Drill Set

Link 82 Cobalt Bright Spot Drill Set

82? COBALT SHORT SPOT DRILL 5 PC SET

SKU: 05-CO-386 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.2130 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.2130 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.2130 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148103 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.3320 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.3320 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.332 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4147217 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.2280 Dia. 60 HSS Bright LH Center Drill

Link 0.2280 Dia. 60 HSS Bright LH Center Drill

1ST5 TYPE LH DED HSS CENTERDRILL

SKU: 11-L2-115 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.4449 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.4449 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

11.3 HSS-Co5% JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: DLGP195113 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.0781 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.0781 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

5/64 HSS(M42) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: D2GP185005 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

Link 0.2500 Dia. 82 Cobalt TiN Screw Countersink

Link 0.2500 Dia. 82 Cobalt TiN Screw Countersink

1/4 ENGLISH 82D SED COBALT SCREW COUNTERSINK, TiN COAT

SKU: CO-TN-194 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, countersink, holemaking, hss drill, job shop, straight shank
Read more

Link 0.2211 Dia. HSS Bright LH Center Drill

Link 0.2211 Dia. HSS Bright LH Center Drill

2R TYPE LH DED HSS CENTERDRILL

SKU: 11-L2-003 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.3307 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.3307 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

8.4 HSS(M42) STUB LENGTH DIN1897 SPLIT POINT DRILLS TIN COATED

SKU: D4107084 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 1.3125 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

YG-1 1.3125 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

1-5/16 HSS(M2) MORSE TAPER SHANK TWIST DRILLS

SKU: D1211120 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, drill, general, holemaking, hss drill, job shop, standard
Read more

Link 1.2500 Dia. 90 HSS TiN Chamfer

Link 1.2500 Dia. 90 HSS TiN Chamfer

1-1/4 OD 90? SINGLE FLUTE HSS CHAMFER – TiN COAT

SKU: 90-TN-417 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: chamfer, cobalt drill, countersink, holemaking, hss drill, job shop
Read more

YG-1 0.4882 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.4882 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

12.4 HSS-Co5% JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: DLGP195124 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.1406 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.1406 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

9/64 HSS 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT STEAM HOMO

SKU: D1631009 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: aircraft, cobalt drill, construction, drill, energy mfg, general, holemaking, hss drill, job shop, mold/die
Read more

YG-1 0.2717 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.2717 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

6.9 HSS-Co5% JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: DLGP195069 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.1820 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

YG-1 0.1820 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

#14 HSS(M35) SCREW MACHINE PARABOLIC TIN COATED DRILL

SKU: DN515214 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.1890 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.1890 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

#12 HSS(M42) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: D2GP187245 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

Link 90 Bright Unidapt Countersink Set – Metric

Link 90 Bright Unidapt Countersink Set – Metric

METRIC 90? SCREW UNIDAPT COUNTERSINK SET 7 PC SET

SKU: 05-L2-387 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Sets, Solid Drills Tags: drill, holemaking, job shop, sets
Read more

YG-1 0.6004 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.6004 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

15.25 HSS(M42) STUB LENGTH DIN1897 SPLIT POINT DRILLS TIN COATED

SKU: D4107852 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.1200 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.1200 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.1200 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148131 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.4449 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

YG-1 0.4449 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

11.3 HSS(M35) JOBBER, WORM PATTERN TYPE STRAIGHT SHANK GOLD-P DRILL FOR DEEP HOLES

SKU: DLGP506113 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.9843 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.9843 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

25 HSS(M42) STUB LENGTH DIN1897 SPLIT POINT DRILLS TIN COATED

SKU: D4107250 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

Link 0.2090 Dia. Cobalt TiN Center Drill

Link 0.2090 Dia. Cobalt TiN Center Drill

4R TYPE DED COBALT CENTERDRILL, TiN COAT

SKU: CO-TN-005 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.1890 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

YG-1 0.1890 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

#12 HSS(M35) SCREW MACHINE PARABOLIC TIN COATED DRILL

SKU: DN515212 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.0960 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.0960 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

#41 HSS(M42) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: D2GP187216 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: automotive, cobalt drill, construction, drill, general, holemaking, hss drill, job shop, jobber
Read more

YG-1 0.3970 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

YG-1 0.3970 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

X HSS(M35) SCREW MACHINE PARABOLIC TIN COATED DRILL

SKU: DN516124 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.1850 Dia. 82 HSS Bright Center Drill

Link 0.1850 Dia. 82 HSS Bright Center Drill

13S5 TYPE LH DED HSS CENTERDRILL

SKU: 11-L2-076 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.2500 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.2500 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

E HSSCo5 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT COLORING

SKU: DL602105 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: aircraft, cobalt drill, construction, drill, energy mfg, general, holemaking, hss drill, job shop, mold/die
Read more

YG-1 0.1811 Dia. 130 TiN Stub Non-Coolant Thru Drill

YG-1 0.1811 Dia. 130 TiN Stub Non-Coolant Thru Drill

4.6MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (STUB)

SKU: 0461JCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

Link 0.1701 Dia. 120 Cobalt TiN Center Drill

Link 0.1701 Dia. 120 Cobalt TiN Center Drill

18B TYPE DED COBALT CENTERDRILL, TiN COAT

SKU: CO-TN-144 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

YG-1 0.1990 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.1990 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

#8 HSSCo5 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT COLORING

SKU: DL603249 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: aircraft, cobalt drill, construction, drill, energy mfg, general, holemaking, hss drill, job shop, mold/die
Read more

YG-1 0.1360 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.1360 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.1360 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148129 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.5000 Dia. 82 HSS Bright Center Reamer

Link 0.5000 Dia. 82 HSS Bright Center Reamer

1/2 OD 82? 3-FLUTE HSS CENTER REAMER

SKU: 91-L2-557 Categories: Center Reamers, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center reamer, cobalt drill, holemaking, hss drill, job shop