hss drill

Showing 1801–1850 of 3094 results

Read more

YG-1 0.0625 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.0625 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

1/16 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4146004 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.1160 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.1160 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

#32 HSS 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT STEAM HOMO

SKU: D1633225 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 2 mm Dia. 60 HSS Bright Center Drill

Link 2 mm Dia. 60 HSS Bright Center Drill

2.0X5.0 METRIC ST-TYPE DED HSS CENTERDRILL

SKU: 23-L2-007 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 1.0630 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 1.0630 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

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

SKU: D4107270 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.3661 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.3661 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: DLGP195093 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 0.3750 Dia. 60 Bright Standard Non-Coolant Thru Drill

YG-1 0.3750 Dia. 60 Bright Standard Non-Coolant Thru Drill

STEEL UP TO 35HRc/STAINLESS/COPPER

SKU: 2241L Categories: Center/ Spot Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center drill, cobalt drill, construction, holemaking, hss drill, spot drill, standard
Read more

YG-1 0.2344 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.2344 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

15/64 HSS(M42) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: D2GP185015 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 0.1770 Dia. 120 HSS Bright LH Center Drill

Link 0.1770 Dia. 120 HSS Bright LH Center Drill

16B5 TYPE LH DED HSS CENTERDRILL

SKU: 11-L2-176 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 0.3110 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.3110 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

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

SKU: D4107079 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.1065 Dia. 135 HSS Bright Screw Machine Non-Coolant Thru Drill

YG-1 0.1065 Dia. 135 HSS Bright Screw Machine Non-Coolant Thru Drill

#36 HSS(M2) SCREW MACHINE DRILL

SKU: D1119236 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.5469 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.5469 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

35/64 HSS(M2) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS (5PCS)

SKU: D8182035 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 0.1540 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.1540 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.1540 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148123 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.3020 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.3020 Dia. 135 Cobalt Split Point Aircraft Non-Coolant Thru Drill

N HSSCo5 12″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT COLORING

SKU: DL605114 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 0.2055 Dia. HSS Bright LH Center Drill

Link 0.2055 Dia. HSS Bright LH Center Drill

5R6 TYPE LH DED HSS CENTERDRILL

SKU: 11-L2-040 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 0.2211 Dia. 90 HSS TiN Chamfer

Link 0.2211 Dia. 90 HSS TiN Chamfer

2 OD 90? SINGLE FLUTE HSS CHAMFER – TiN COAT

SKU: 90-TN-403 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: chamfer, cobalt drill, countersink, holemaking, hss drill, job shop
Read more

YG-1 0.2211 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.2211 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

#2 HSS 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT STEAM HOMO

SKU: D1633255 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 0.2090 Dia. 60 Cobalt Bright Center Drill

Link 0.2090 Dia. 60 Cobalt Bright Center Drill

4ST TYPE DED COBALT CENTERDRILL

SKU: 20-CO-095 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 0.2638 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.2638 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: DLGP195067 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 0.5433 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.5433 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

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

SKU: D4107138 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
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

Link 0.2280 Dia. 100 Cobalt Bright Center Reamer

Link 0.2280 Dia. 100 Cobalt Bright Center Reamer

1 OD 100? 3-FLUTE COBALT CENTER REAMER

SKU: 92-CO-306 Categories: Center Reamers, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: center reamer, cobalt drill, holemaking, hss drill, job shop
Read more

YG-1 0.9688 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

YG-1 0.9688 Dia. 118 HSS Oxide Morse Taper Shank Non-Coolant Thru Drill

31/32 HSS(M2) MORSE TAPER SHANK TWIST DRILLS

SKU: D1211062 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, drill, general, holemaking, hss drill, job shop, standard
Read more

YG-1 0.2323 Dia. 130 TiN Jobber Non-Coolant Thru Drill

YG-1 0.2323 Dia. 130 TiN Jobber Non-Coolant Thru Drill

5.9MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (JOBBERS)

SKU: 0591KCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, jobber
Read more

Link 0.5000 Dia. 60 Cobalt TiN Countersink

Link 0.5000 Dia. 60 Cobalt TiN Countersink

1/2 OD 60? 6-FLUTE COBALT COUNTERSINK – TiN COAT

SKU: CO-TN-571 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, countersink, holemaking, hss drill, job shop
Read more

YG-1 0.1094 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.1094 Dia. 135 HSS TiN Straight Shank Jobber Non-Coolant Thru Drill

7/64 HSS(M2) JOBBERS LENGTH STRAIGHT SHANK GOLD-P DRILLS

SKU: D1GP182007 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 0.1800 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.1800 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.1800 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4148115 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.2130 Dia. HSS Bright Center Drill

Link 0.2130 Dia. HSS Bright Center Drill

3R TYPE DED HSS CENTERDRILL

SKU: 10-L2-004 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 0.1417 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.1417 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

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

SKU: D4107036 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

Link 0.7500 Dia. 90 HSS Bright Chamfer

Link 0.7500 Dia. 90 HSS Bright Chamfer

3/4 OD 90? SINGLE FLUTE HSS CHAMFER

SKU: 90-L2-415 Categories: Countersinks, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: chamfer, cobalt drill, countersink, holemaking, hss drill, job shop
Read more

YG-1 0.1065 Dia. 135 Cobalt Bright Screw Machine Non-Coolant Thru Drill

YG-1 0.1065 Dia. 135 Cobalt Bright Screw Machine Non-Coolant Thru Drill

#36 HSS(M42) SCREW MACHINE DRILL

SKU: D2148136 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 1.0000 Dia. 118 HSS Black-Gold Silver/ Deming Non-Coolant Thru Drill

YG-1 1.0000 Dia. 118 HSS Black-Gold Silver/ Deming Non-Coolant Thru Drill

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

SKU: D1191064 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 0.1610 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.1610 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

#20 HSS 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT STEAM HOMO

SKU: D1633237 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 0.2067 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

YG-1 0.2067 Dia. 135 Cobalt TiN Split Point Screw Machine Non-Coolant Thru Drill

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

SKU: D4107952 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

YG-1 0.4842 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.4842 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: DLGP195123 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 0.7500 Dia. 120 Cobalt Bright Center-Spot Drill

Link 0.7500 Dia. 120 Cobalt Bright Center-Spot Drill

3/4 X 6 COBALT 120? SPOT & CENTER DRILL

SKU: 97-CO-422 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 0.1024 Dia. 130 TiN Stub Non-Coolant Thru Drill

YG-1 0.1024 Dia. 130 TiN Stub Non-Coolant Thru Drill

2.6MM HSS-EX HPD-SUS TWIST DRILL TiN-COATED (STUB)

SKU: 0261JCN Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, stub
Read more

Tungaloy 1.0000 in or 25.4000 mm TiAlN Carbide 6 Flute Countersink End Mill

Tungaloy 1.0000 in or 25.4000 mm TiAlN Carbide 6 Flute Countersink End Mill

Size: 5mm x T08 x 7.5mm x 25.5mm

SKU: 6859323 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 0.3390 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.3390 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.339 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4147218 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 0.2040 Dia. HSS TiAlN Center Drill

Link 0.2040 Dia. HSS TiAlN Center Drill

6R TYPE DED HSS CENTERDRILL, TiAlN COAT

SKU: 10-TL-007 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 0.3860 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

YG-1 0.3860 Dia. 135 Cobalt TiN Parabolic Screw Machine Non-Coolant Thru Drill

W HSS(M35) SCREW MACHINE PARABOLIC TIN COATED DRILL

SKU: DN516123 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

YG-1 0.3480 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

YG-1 0.3480 Dia. 135 Cobalt TiN Screw Machine Non-Coolant Thru Drill

.348 HSS(M42) SCREW MACHINE DRILL TIN COATED

SKU: D4147219 Categories: General Drills, Holemaking, HSS/ Cobalt Drills, Solid Drills Tags: cobalt drill, construction, drill, general, holemaking, hss drill, screw
Read more

Link 2.5 mm Dia. 60 HSS TiAlN Center Drill

Link 2.5 mm Dia. 60 HSS TiAlN Center Drill

2.5X6.3 METRIC ST-TYPE DED HSS CENTERDRILL, TiAlN COAT

SKU: 23-TL-008 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 0.2874 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.2874 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: DLGP195073 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 0.3189 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.3189 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: DLGP195081 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 0.1100 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

YG-1 0.1100 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

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

SKU: DLGP512213 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 0.0890 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

YG-1 0.0890 Dia. 135 Cobalt TiN Straight Shank Jobber Non-Coolant Thru Drill

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

SKU: D2GP187214 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 0.2211 Dia. HSS Bright Center Drill

Link 0.2211 Dia. HSS Bright Center Drill

2R6 TYPE DED HSS CENTERDRILL

SKU: 10-L2-029 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. HSS Bright Center Drill

Link 0.2090 Dia. HSS Bright Center Drill

4R TYPE DED HSS CENTERDRILL

SKU: 10-L2-005 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 0.2559 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

YG-1 0.2559 Dia. 130 Cobalt TiN Jobber Non-Coolant Thru Drill

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

SKU: DLGP506065 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 0.2130 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

YG-1 0.2130 Dia. 135 HSS Split Point Aircraft Non-Coolant Thru Drill

#3 HSS 6″ AIRCRAFT EXTENSION DRILL 135 DEGREE SPLIT POINT STEAM HOMO

SKU: D1633254 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