StrongArm™ Safe Drill Rigs

  These are the finest safe drills available. Click the link below for detail information on our high quality safe drills.

STRONGER CARBIDE - Specially Formulated Micro-Grain Titanium Tungsten Carbide tips diamond ground razor sharp with unique tip geometry.
STRONGER BRAZING - Ultra high temperature Copper braze adds strength and reduces tip failure from over heating.
STRONGER SHANK - High grade, Chrome-Moly steel shanks, tempered for extra durability.


#184 1/8 x 4" $ 6.00  
#565
5/16 x 5"
$ 7.50
 
#385
3/8 x 5"
$ 8.50
 
#126
1/2 x 6"
$10.50
#186
1/8 x 6"
$ 6.50
 
#568
5/16 x 8"
$ 8.25
 
#388
3/8 x 8"
$ 9.25
 
#128
1/2 x 8"
$11.75
       
#5612
5/16 x 12"
$13.25
 
#3812
3/8 x 12"
$14.25
 
#1212
1/2 x 12"
$15.25
#364
3/16 x 4"
$ 6.25
 
#5618
5/16 x 18"
$14.75
 
#3818
3/8 x 18"
$16.25
 
#1218
1/2 x 18"
$19.25
#366
3/16 x 6"
$ 6.50
 
#5624
5/16 x 24"
$19.25
 
#3824
3/8 x 24"
$19.25
 
#1224
1/2 x 24"
$21.25
#3612
3/16 x 12"
$ 9.25
                       
                             
#144 1/4 x 4" $ 6.50                        
#146
1/4 x 6"
$ 7.25
                       
#412
1/4 x 12"
$12.25
                       

We have added a new carbide tipped safe drill bit with negative rake tip geometry to the StrongArm line of Safe Drill Bits.  The StrongArm Black is not a replacement for the original StrongArm, but is designed to provide options for your drilling arsenal.

#SB144
1/4 x 4"
$ 6.50
#SB146
1/4 x 6"
$ 7.25
Diamond Tip GSA Core Drill Bits: The cost effective and easy way to drill GSA carbide matrix hardplate, Relsom, Maxalloy, etc.  Additional Aero Space lubricant provided with each drill.

#DC4
1/4
x
6"
$30.00
#DC412
1/4
x
12"
$35.00
#DC5
5/16
x
6"
$35.00
#DC512
5/16
x
12"
$40.00
#DC3
3/8
x
6"
$40.00
#DC312
3/8
x
12"
$45.00




Diamond Core
These drills are great for drilling into electronic lock cases when you do not want to damage the inside of the lock.  In addition, after drilling carbide matrix with Diamond Core Drill, core cutters may be used to cut the mild steel casing on Relsom and Maxalloy to remove the core.

#CC4 1/4 x 6" $25.00
#CC5 5/16 x 6" $25.00
#CC3 3/8 x 6" $25.00


Diamond Core

Solid carbide drills specially designed to penetrate through or between ball bearings in safe barriers.

#BB4 1/4 x 6" $40.00
#BB5 5/16 x 6" $45.00


Diamond Core

Solid carbide 6" long, special 1/2" flute and tip for drilling and side cutting.

#EM4
1/4 x 6"
$40.00
#EM5
5/16 x 6"
$45.00
#EM3
3/8 x 6"
$55.00


Diamond Core








We now have the very high quality, HSS Thunder Bits in 9/32", 11/32" and 13/32", jobbers length in stock.  The slight oversize for 1/4", 5/16" & 3/8" holes in the mild steel helps the carbide and diamond core drills run cooler with less side friction and greater efficiency. 
#HST932 9/32 x 4 1/4" $ 5.75
#HST1132 11/32 x 4 3/4" $ 7.25
#HST1332
13/32 x 5 1/4"
$9.50


Diamond Core

Extra length HSS aircraft extension drill bits.

#LA1412
1/4 x 12"
$12.00
  #LA5612
5/16 x 12"
$16.00
 
#LA3812
3/8 x 12"
$17.00
#LA1418
1/4 x 18"
$14.00
  #LA5618
5/16 x 18"
$20.00
 
#LA3818
3/8 x 18"
$22.00
#LA1424
1/4 x 24"
$17.00
  #LA5624
5/16 x 24"
$24.00
 
#LA3824
3/8 x 24"
$25.00


StrongArm™ Drills Inc.
(800) 710-8168
2228 Kenry Way South San Francisco CA, 94080