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Cobalt Jobber Drill Guide

Cobalt Drills: HSCO is a high speed steel containing cobalt for increased hot hardness. The composition of HSCo is a good combination of toughness and hardness. It has good machinability and good wear resistance characteristics that make it attractive in a wide range of difficult applications.
General-Purpose Drills: General-purpose geometry for drilling in a wide range of operating conditions and materials.
Split Point Design: Split point is self-centering for reduced thrust and easier penetration.

Other Drill Guides

Decimal Size Flute Length OAL Precision Dormer Rocky Mountain Twist Chicago Latrobe
0.0400 #60 11/16 1-5/8 018360 95004659 46730
0.0410 #59 11/16 1-5/8 018359 95004658 46729
0.0420 #58 11/16 1-5/8 018358 95004657 46728
0.0430 #57 3/4 1-3/4 018357 95004656 46727
0.0465 #56 3/4 1-3/4 018356 95004655 46726
0.0520 #55 7/8 1-7/8 018355 95004654 46725
0.0550 #54 7/8 1-7/8 018354 95004653 46724
0.0595 #53 7/8 1-7/8 018353 95004652 46723
0.0625 1/16 7/8 1-7/8 010304 95004200 46604
0.0635 #52 7/8 1-7/8 018352 95004651 46722
0.0670 #51 1 2 018351 95004650 46721
0.0700 #50 1 2 018350 95004649 46720
0.0730 #49 1 2 018349 95004648 46719
0.0760 #48 1 2 018348 95004647 46718
0.0781 5/64 1 2 010305 95004201 46605
0.0785 #47 1 2 018347 95004646 46717
0.0810 #46 1-1/8 2-1/8 018346 95004645 46716
0.0820 #45 1-1/8 2-1/8 018345 95004644 46715
0.0860 #44 1-1/8 2-1/8 018344 95004643 46714
0.0890 #43 1-1/4 2-1/4 018343 95004642 46713
0.0935 #42 1-1/4 2-1/4 018342 95004641 46712
0.0938 3/32 1-1/4 2-1/4 010306 95004203 46606
0.0960 #41 1-3/8 2-3/8 018341 95004640 46711
0.0980 #40 1-3/8 2-3/8 018340 95004639 46710
0.0995 #39 1-3/8 2-3/8 018339 95004638 46709
0.1015 #38 1-7/16 2-1/2 018338 95004637 46708
0.1040 #37 1-7/16 2-1/2 018337 95004636 46707
0.1065 #36 1-7/16 2-1/2 018336 95004635 46706
0.1094 7/64 1-1/2 2-5/8 010307 95004204 46607
0.1100 #35 1-1/2 2-5/8 018335 95004634 46705
0.1110 #34 1-1/2 2-5/8 018334 95004633 46704
0.1130 #33 1-1/2 2-5/8 018333 95004632 46703
0.1160 #32 1-5/8 2-3/4 018332 95004631 46702
0.1200 #31 1-5/8 2-3/4 018331 95004630 46701
0.1250 1/8 1-5/8 2-3/4 010308 95004205 46608
0.1285 #30 1-5/8 2-3/4 018330 95004629 46700
0.1360 #29 1-3/4 2-7/8 018329 95004628 46699
0.1405 #28 1-3/4 2-7/8 018328 95004627 46698
0.1406 9/64 1-3/4 2-7/8 010309 95004206 46609
0.1440 #27 1-7/8 3 018327 95004626 46697
0.1470 #26 1-7/8 3 018326 95004625 46696
0.1495 #25 1-7/8 3 018325 95004624 46695
0.1520 #24 2 3-1/8 018324 95004623 46694
0.1540 #23 2 3-1/8 018323 95004622 46693
0.1563 5/32 2 3-1/8 010310 95004207 46610
0.1570 #22 2 3-1/8 018322 95004621 46692
0.1590 #21 2-1/8 3-1/4 018321 95004620 46691
0.1610 #20 2-1/8 3-1/4 018320 95004619 46690
0.1660 #19 2-1/8 3-1/4 018319 95004618 46689
0.1695 #18 2-1/8 3-1/4 018318 95004617 46688
0.1719 11/64 2-1/8 3-1/4 010311 95004208 46611
0.1730 #17 2-3/16 3-3/8 018317 95004616 46687
0.1770 #16 2-3/16 3-3/8 018316 95004615 46686
0.1800 #15 2-3/16 3-3/8 018315 95004614 46685
0.1820 #14 2-3/16 3-3/8 018314 95004613 46684
0.1850 #13 2-5/16 3-1/2 018313 95004612 46683
0.1875 3/16 2-5/16 3-1/2 010312 95004209 46612
0.1890 #12 2-5/16 3-1/2 018312 95004611 46682
0.1910 #11 2-5/16 3-1/2 018311 95004610 46681
0.1935 #10 2-7/16 3-5/8 018310 95004609 46680
0.1960 #9 2-7/16 3-5/8 018309 95004608 46679
0.1990 #8 2-7/16 3-5/8 018308 95004607 46678
0.2010 #7 2-7/16 3-5/8 018307 95004606 46677
0.2031 13/64 2-7/16 3-5/8 010313 95004210 46613
0.2040 #6 2-1/2 3-3/4 018306 95004605 46676
0.2055 #5 2-1/2 3-3/4 018305 95004604 46675
0.2090 #4 2-1/2 3-3/4 018304 95004603 46674
0.2130 #3 2-1/2 3-3/4 018303 95004602 46673
0.2188 7/32 2-1/2 3-3/4 010314 95004211 46614
0.2210 #2 2-5/8 3-7/8 018302 95004601 46672
0.2280 #1 2-5/8 3-7/8 018301 95004600 46671
0.2340 A 2-5/8 3-7/8 015301 95006400 46771
0.2344 15/64 2-5/8 3-7/8 010315 95004212 46615
0.2374 B 2-3/4 4 015302 95006401 46772
0.2421 C 2-3/4 4 015303 95006402 46773
0.2461 D 2-3/4 4 015304 95006403 46774
0.2500 1/4 2-3/4 4 010316 95004213 46616
0.2571 F 2-7/8 4-1/8 015306 95006405 46776
0.2610 G 2-7/8 4-1/8 015307 95006406 46777
0.2656 17/64 2-7/8 4-1/8 010317 95004214 46617
0.2661 H 2-7/8 4-1/8 015308 95006407 46778
0.2720 I 2-7/8 4-1/8 015309 95006408 46779
0.2772 J 2-7/8 4-1/8 015310 95006409 46780
0.2811 K 2-15/16 4-1/4 015311 95006410 46781
0.2813 9/32 2-15/16 4-1/4 010318 95004215 46618
0.2902 L 2-15/16 4-1/4 015312 95006411 46782
0.2949 M 3-1/16 4-3/8 015313 95006412 46783
0.2969 19/64 3-1/16 4-3/8 010319 95004216 46619
0.3020 N 3-1/16 4-3/8 015314 95006413 46784
0.3125 5/16 3-3/16 4-1/2 010320 95004217 46620
0.3161 O 3-3/16 4-1/2 015315 95006414 46785
0.3228 P 3-5/16 4-5/8 015316 95006415 46786
0.3281 21/64 3-5/16 4-5/8 010321 95004218 46621
0.3319 Q 3-7/16 4-3/4 015317 95006416 46787
0.3390 R 3-7/16 4-3/4 015318 95006417 46788
0.3437 11/32 3-7/16 4-3/4 010322 95004219 46622
0.3480 S 3-1/2 4-7/8 015319 95006418 46789
0.3580 T 3-1/2 4-7/8 015320 95006419 46790
0.3594 23/64 3-1/2 4-7/8 010323 95004220 46623
0.3680 U 3-5/8 5 015321 95006420 46791
0.3750 3/8 3-5/8 5 010324 95004221 46624
0.3772 V 3-5/8 5 015322 95006421 46792
0.3858 W 3-3/4 5-1/8 015323 95006422 46793
0.3906 25/64 3-3/4 5-1/8 010325 95004222 46625
0.3969 X 3-3/4 5-1/8 015324 95006423 46794
0.4039 Y 3-7/8 5-1/4 015325 95006424 46795
0.4063 13/32 3-7/8 5-1/4 010326 95004223 46626
0.4130 Z 3-7/8 5-1/4 015326 95006425 46796
0.4219 27/64 3-15/16 5-3/8 010327 95004224 46627
0.4375 7/16 4-1/16 5-1/2 010328 95004225 46628
0.4531 29/64 4-3/16 5-5/8 010329 95004226 46629
0.4687 15/32 4-5/16 5-3/4 010330 95004227 46630
0.4844 31/64 4-3/8 5-7/8 010331 95004228 46631
0.5000 1/2 4-1/2 6 010332 95004229 46632