HSS Stack Cutters - 6-Series Unibroach®

Heavy-Duty Drilling of Multiple Layers of Material

  • High-Speed Steel (HSS)
  • Designed to cut multiple layers of stacked material
  • Available in 1", 2" and 3" depths
  • Every cutter comes with a corresponding pilot pin
  • 1" Depth
  • 2" Depth
  • 3" Depth
  • Pilot Pins
Order No.DiameterOrder No.Diameter
1" Depth
6-1-118 STACK9/16"6-1-142 STACK1-5/16"
6-1-120 STACK5/8"6-1-144 STACK1-3/8"
6-1-122 STACK11/16"6-1-146 STACK1-7/16"
6-1-124 STACK3/4"6-1-148 STACK1-1/2"
6-1-126 STACK13/16"6-1-150 STACK1-9/16"
6-1-128 STACK7/8"6-1-152 STACK1-5/8"
6-1-130 STACK15/16"6-1-154 STACK1-11/16"
6-1-132 STACK1"6-1-156 STACK1-3/4"
6-1-134 STACK1-1/16"6-1-158 STACK1-13/16"
6-1-136 STACK1-1/8"6-1-160 STACK1-7/8"
6-1-138 STACK1-3/16"6-1-162 STACK1-15/16"
6-1-140 STACK1-1/4"6-1-164 STACK2"

Other sizes available. Contact CS Unitec for more information.

Pilot pin included with every annular cutter

Order No.DiameterOrder No.Diameter
2" Depth
6-1-218 STACK9/16"6-1-242 STACK1-5/16"
6-1-220 STACK5/8"6-1-244 STACK1-3/8"
6-1-222 STACK11/16"6-1-246 STACK1-7/16"
6-1-224 STACK3/4"6-1-248 STACK1-1/2"
6-1-226 STACK13/16"6-1-250 STACK1-9/16"
6-1-228 STACK7/8"6-1-252 STACK1-5/8"
6-1-230 STACK15/16"6-1-254 STACK1-11/16"
6-1-232 STACK1"6-1-256 STACK1-3/4"
6-1-234 STACK1-1/16"6-1-258 STACK1-13/16"
6-1-236 STACK1-1/8"6-1-260 STACK1-7/8"
6-1-238 STACK1-3/16"6-1-262 STACK1-15/16"
6-1-240 STACK1-1/4"6-1-264 STACK2"

Other sizes available. Contact CS Unitec for more information.

Pilot pin included with every annular cutter

Order No.DiameterOrder No.Diameter
3" Depth
6-1-324 STACK3/4"6-1-344 STACK1-3/8"
6-1-326 STACK13/16"6-1-346 STACK1-7/16"
6-1-328 STACK7/8"6-1-348 STACK1-1/2"
6-1-330 STACK15/16"6-1-350 STACK1-9/16"
6-1-332 STACK1"6-1-352 STACK1-5/8"
6-1-334 STACK1-1/16"6-1-354 STACK1-11/16"
6-1-336 STACK1-1/8"6-1-356 STACK1-3/4"
6-1-338 STACK1-3/16"6-1-358 STACK1-13/16"
6-1-340 STACK1-1/4"6-1-360 STACK1-7/8"
6-1-342 STACK1-5/16"6-1-362 STACK1-15/16"
  6-1-364 STACK2"

Other sizes available. Contact CS Unitec for more information.

Pilot pin included with every annular cutter

Order No.Description
Pilot Pins for 6-Series
 For 3/4" Shanks
7-3-1021/2" - 3" dia., 1" depth
7-3-2021/2" - 3" dia., 2" depth
7-3-3023/4" - 3" dia., 3" depth
Option for Cutters 3" and 4" Depth
2-piece pin for 6 series
7-3-4022-piece pin for 3" and 4" depth cutters with 8mm pilot hole