cobalt drill

Showing 251–300 of 3094 results

Read more

YG-1 1.2500 Dia. 118 HSS Black-Gold Silver/ Deming Non-Coolant Thru Drill

YG-1 1.2500 Dia. 118 HSS Black-Gold Silver/ Deming Non-Coolant Thru Drill

1-1/4 HSS(M2) 118 DEGREE SPLIT POINT 3 FLAT GOLD & BLACK S & D DRILL

SKU: D1191116 Categories: Holemaking, HSS/ Cobalt Drills, Silver/ Deming Drills, Solid Drills Tags: automotive, cobalt drill, construction, holemaking, hss drill, job shop, silver/deming drill, standard
Read more

YG-1 0.2055 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.2055 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.2055 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148105 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.2090 Dia. 135 HSS Bright Screw Machine Non-Coolant Thru Drill

YG-1 0.2090 Dia. 135 HSS Bright Screw Machine Non-Coolant Thru Drill

#4 HSS(M2) SCREW MACHINE DRILL

SKU: D1119204 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Iscar 0.0590 in or 1.4986 mm Countersink Carbide Tialn 2 Flute End Mill

Iscar 0.0590 in or 1.4986 mm Countersink Carbide Tialn 2 Flute End Mill

Size: 0.059″ x 0.453″ x 7.31″ x 0.923″

SKU: 5603806 Category: Screw On Drill Tip Tags: aerospace, agriculture, automotive, chamfer, cobalt drill, countersink, energy mfg, holemaking, hss drill, job shop, medical, mold/die, screw on head, standard
Read more

YG-1 0.4844 Dia. 130 Cobalt Bright Parabolic Taper Non-Coolant Thru Drill

YG-1 0.4844 Dia. 130 Cobalt Bright Parabolic Taper Non-Coolant Thru Drill

31/64 HSSCo5 PARABOLIC FLUTE TAPER LENGTH STRAIGHT SHANK DRILL

SKU: DL517031 Categories: Holemaking, HSS/ Cobalt Drills, Parabolic Drills, Solid Drills Tags: automotive, cobalt drill, construction, holemaking, hss drill, job shop, parabolic drill, taper
Read more

YG-1 0.2480 Dia. 130 TiN Stub Non-Coolant Thru Drill

YG-1 0.2480 Dia. 130 TiN Stub Non-Coolant Thru Drill

6.3MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (STUB)

SKU: 0631JCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

Link 0.1772 Dia. 60 HSS Bright Center Drill

Link 0.1772 Dia. 60 HSS Bright Center Drill

45ST TYPE DED HSS CENTERDRILL

SKU: 20-L2-049 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 5 mm Dia. 60 Cobalt TiN Center Drill

Link 5 mm Dia. 60 Cobalt TiN Center Drill

5.0X12.5 METRIC ST-TYPE DED COBALT CENTERDRILL, TiN COAT

SKU: CO-TN-017 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 0.3681 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.3681 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

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

SKU: D4107993 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.7656 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

YG-1 0.7656 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

49/64 HSS(M2) MORSE TAPER SHANK TWIST DRILLS

SKU: D1211049 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, drill, general, holemaking, hss drill, job shop, standard
Read more

YG-1 0.3425 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.3425 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: DLGP195087 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 0.3150 Dia. 8 HSS TiAlN Spotweld Drill

Link 0.3150 Dia. 8 HSS TiAlN Spotweld Drill

SPOTWELD DRILL 8MM 3-FLUTE W/FLAT T15 HSS, TiAlN COAT

SKU: 99-SP-1033 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, drill, general, holemaking, hss drill, job shop
Read more

YG-1 0.3680 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.3680 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: D2GP186121 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 0.3594 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.3594 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

23/64 HSS 12″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT STEAM HOMO

SKU: D1634023 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 0.0469 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.0469 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

3/64 HSS(M2) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: D1GP113003 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 0.3480 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

YG-1 0.3480 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

S HSS(M35) JOBBER, WORM PATTERN TYPE SS GOLD-P DRILL FOR DEEP HOLES

SKU: DLGP513119 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 0.3906 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.3906 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

25/64 HSSCo5 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT COLORING

SKU: DL601025 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 0.2610 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.2610 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.261 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4147207 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.7500 Dia. 60 Cobalt Bright Countersink

Link 0.7500 Dia. 60 Cobalt Bright Countersink

3/4 OD 60? 6-FLUTE COBALT COUNTERSINK

SKU: 91-CO-572 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, countersink, holemaking, hss drill, job shop
Read more

YG-1 0.0935 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.0935 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.0935 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148142 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.1520 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

YG-1 0.1520 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

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

SKU: DN515224 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.0945 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.0945 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

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

SKU: D4107024 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.1910 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.1910 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

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

SKU: DL603246 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 0.2165 Dia. 130 TiN Stub Non-Coolant Thru Drill

YG-1 0.2165 Dia. 130 TiN Stub Non-Coolant Thru Drill

5.5MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (STUB)

SKU: 0551JCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

Link 0.5000 Dia. 90 Cobalt TiN Countersink

Link 0.5000 Dia. 90 Cobalt TiN Countersink

1/2 OD 90? 6-FLUTE COBALT COUNTERSINK – TiN COAT

SKU: CO-TN-566 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, countersink, holemaking, hss drill, job shop
Read more

Link 1.5000 Dia. 82 Cobalt Bright Countersink

Link 1.5000 Dia. 82 Cobalt Bright Countersink

1-1/2 OD 82? 6-FLUTE COBALT COUNTERSINK

SKU: 91-CO-575 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, countersink, holemaking, hss drill, job shop
Read more

Link 0.2040 Dia. 100 HSS Center Drill

Link 0.2040 Dia. 100 HSS Center Drill

UA6-U6-100 DEGREE TYPE HSS CENTERDRILL

SKU: 30-100-203 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 0.1250 Dia. 60 HSS Bright Center Non-Coolant Thru Drill

YG-1 0.1250 Dia. 60 HSS Bright Center Non-Coolant Thru Drill

1/8 HSS(M2) 60 DEGREE REGULAR LENGTH CENTER DRILL

SKU: D1C90144 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: aerospace, agriculture, automotive, center drill, cobalt drill, energy mfg, holemaking, hss drill, job shop, medical, mold/die, multi spindle, spot drill, standard
Read more

YG-1 0.1250 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.1250 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

1/8 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4146008 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.1890 Dia. 82 HSS Bright Center Drill

Link 0.1890 Dia. 82 HSS Bright Center Drill

12S4 TYPE DED HSS CENTERDRILL

SKU: 15-L2-072 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 0.2280 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.2280 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.2280 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148101 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.0984 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

YG-1 0.0984 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

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

SKU: DLGP506025 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 Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.3970 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

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

SKU: DL602124 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 0.3740 Dia. 130 TiN Jobber Non-Coolant Thru Drill

YG-1 0.3740 Dia. 130 TiN Jobber Non-Coolant Thru Drill

9.5MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (JOBBERS)

SKU: 0951KCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, jobber
Read more

Link 0.2500 Dia. 120 HSS Bright Center-Spot Drill

Link 0.2500 Dia. 120 HSS Bright Center-Spot Drill

1/4 X 2 HSS 120? SPOT & CENTER DRILL

SKU: 97-L2-401 Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, holemaking, hss drill, job shop, spot drill
Read more

Link 0.2090 Dia. 82 Cobalt Bright Center Drill

Link 0.2090 Dia. 82 Cobalt Bright Center Drill

4ST TYPE SED COBALT TTC CENTERDRILL

SKU: CO-CH-209 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 0.1800 Dia. 120 HSS TiN Center Drill

Link 0.1800 Dia. 120 HSS TiN Center Drill

15B TYPE DED HSS CENTERDRILL, TiN COAT

SKU: 25-TN-141 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 0.2756 Dia. 130 TiN Stub Non-Coolant Thru Drill

YG-1 0.2756 Dia. 130 TiN Stub Non-Coolant Thru Drill

7.0MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (STUB)

SKU: 0701JCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.3386 Dia. 130 TiN Stub Non-Coolant Thru Drill

YG-1 0.3386 Dia. 130 TiN Stub Non-Coolant Thru Drill

8.6MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (STUB)

SKU: 0861JCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.0820 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.0820 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.0820 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148145 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.2770 Dia. 135 HSS Bright Screw Machine Non-Coolant Thru Drill

YG-1 0.2770 Dia. 135 HSS Bright Screw Machine Non-Coolant Thru Drill

J HSS(M2) SCREW MACHINE DRILL

SKU: D1115210 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.413 Dia. 135 Cobalt Bright Screw Machine Non-Coolant Thru Drill

YG-1 0.413 Dia. 135 Cobalt Bright Screw Machine Non-Coolant Thru Drill

Z HSS(M42) SCREW MACHINE DRILL

SKU: D2147226 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.6496 Dia. 130 TiN Jobber Non-Coolant Thru Drill

YG-1 0.6496 Dia. 130 TiN Jobber Non-Coolant Thru Drill

16.5MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (JOBBERS)

SKU: 1651KCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, jobber
Read more

Link 0.2211 Dia. 100 HSS Center Drill

Link 0.2211 Dia. 100 HSS Center Drill

UA2-U2-100 DEGREE TYPE HSS CENTERDRILL

SKU: 30-100-199 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 0.4882 Dia. 130 TiN Stub Non-Coolant Thru Drill

YG-1 0.4882 Dia. 130 TiN Stub Non-Coolant Thru Drill

12.4MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (STUB)

SKU: 1241JCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.3750 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.3750 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

3/8 HSSCo5 12″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT COLORING

SKU: DL604024 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 0.1910 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.1910 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.1910 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148111 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.2187 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.2187 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

7/32 HSSCo5 12″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT COLORING

SKU: DL604014 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

Iscar 0.0390 in or 0.9906 mm Countersink Carbide Tialn 2 Flute End Mill

Iscar 0.0390 in or 0.9906 mm Countersink Carbide Tialn 2 Flute End Mill

Size: 0.039″ x 0.299″ x 0.295″ x 0.673″

SKU: 5604306 Category: Screw On Drill Tip Tags: aerospace, agriculture, automotive, chamfer, cobalt drill, countersink, energy mfg, holemaking, hss drill, job shop, medical, mold/die, screw on head, standard
Read more

YG-1 0.4094 Dia. 130 TiN Jobber Non-Coolant Thru Drill

YG-1 0.4094 Dia. 130 TiN Jobber Non-Coolant Thru Drill

10.4MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (JOBBERS)

SKU: 1041KCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, jobber