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HSS Stack Annular Cutters (6-Series) Unibroach®

$0.00
  • Diameter: Up to 2″
  • Drilling Depth: Up to 3″
  • Pilot pin included with each cutter

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  • Free shipping on all orders over $50
  • 30 days easy returns
  • All taxes and customs duties included

Includes (testing):

  • 6 Series STACK Annular Cutter
  • Pilot Pin

Benefits

  • Manufactured from premium High Speed Steel (HSS) for excellent heat resistance and long tool life.
  • Produces clean, burr‑free holes across all layers in the stack.
  • Maintains sharpness and cutting efficiency even in demanding, multi‑layer drilling applications.
  • Every cutter comes with a corresponding pilot pin.
  • Supports a wide range of hole sizes and stack thicknesses.

Applications & Usage

  • HSS Stack Annular Cutters are designed to cut multiple layers of stacked material.
  • Ideal for drilling through stacked beams, plates, and structural components used in construction and industrial steelwork.
  • Perfect for shops working with layered assemblies, brackets, frames, and welded structures.
  • Excellent for onsite drilling where stacked materials are common, such as equipment mounting, steel erection, and infrastructure work.
  • Enables clean, precise holes through layered steel for conduit, hangers, supports, and mechanical installations.

Technical Specifications

Order No. Diameter Order No. Diameter
1" Depth
6-1-114 STACK 7/16" 6-1-140 STACK 1-1/4"
6-1-116 STACK 1/2" 6-1-142 STACK 1-5/16"
6-1-118 STACK 9/16" 6-1-144 STACK 1-3/8"
6-1-120 STACK 5/8" 6-1-146 STACK 1-7/16"
6-1-122 STACK 11/16" 6-1-148 STACK 1-1/2"
6-1-124 STACK 3/4" 6-1-150 STACK 1-9/16"
6-1-126 STACK 13/16" 6-1-152 STACK 1-5/8"
6-1-128 STACK 7/8" 6-1-154 STACK 1-11/16"
6-1-130 STACK 15/16" 6-1-156 STACK 1-3/4"
6-1-132 STACK 1" 6-1-158 STACK 1-13/16"
6-1-134 STACK 1-1/16" 6-1-160 STACK 1-7/8"
6-1-136 STACK 1-1/8" 6-1-162 STACK 1-15/16"
6-1-138 STACK 1-3/16" 6-1-164 STACK 2"
Other sizes available. Contact CS Unitec for more information. Pilot pin included with every annular cutter up to 4" depth of cut.
Order No. Diameter Order No. Diameter
2" Depth
6-1-214 STACK 7/16" 6-1-240 STACK 1-1/4"
6-1-216 STACK 1/2" 6-1-242 STACK 1-5/16"
6-1-218 STACK 9/16" 6-1-244 STACK 1-3/8"
6-1-220 STACK 5/8" 6-1-246 STACK 1-7/16"
6-1-222 STACK 11/16" 6-1-248 STACK 1-1/2"
6-1-224 STACK 3/4" 6-1-250 STACK 1-9/16"
6-1-226 STACK 13/16" 6-1-252 STACK 1-5/8"
6-1-228 STACK 7/8" 6-1-254 STACK 1-11/16"
6-1-230 STACK 15/16" 6-1-256 STACK 1-3/4"
6-1-232 STACK 1" 6-1-258 STACK 1-13/16"
6-1-234 STACK 1-1/16" 6-1-260 STACK 1-7/8"
6-1-236 STACK 1-1/8" 6-1-262 STACK 1-15/16"
6-1-238 STACK 1-3/16" 6-1-264 STACK 2"
Other sizes available. Contact CS Unitec for more information. Pilot pin included with every annular cutter up to 4" depth of cut.
Order No. Diameter Order No. Diameter
3" Depth
6-1-322 STACK 11-16" 6-1-344 STACK 1-3/8"
6-1-324 STACK 3/4" 6-1-346 STACK 1-7/16"
6-1-326 STACK 13/16" 6-1-348 STACK 1-1/2"
6-1-328 STACK 7/8" 6-1-350 STACK 1-9/16"
6-1-330 STACK 15/16" 6-1-352 STACK 1-5/8"
6-1-332 STACK 1" 6-1-354 STACK 1-11/16"
6-1-334 STACK 1-1/16" 6-1-356 STACK 1-3/4"
6-1-336 STACK 1-1/8" 6-1-358 STACK 1-13/16"
6-1-338 STACK 1-3/16" 6-1-360 STACK 1-7/8"
6-1-340 STACK 1-1/4" 6-1-362 STACK 1-15/16"
6-1-342 STACK 1-5/16" 6-1-364 STACK 2"
Other sizes available. Contact CS Unitec for more information. Pilot pin included with every annular cutter up to 4" depth of cut.
Video

Related PDFs

Catalog PDF 1
CAT_Annular_Cutters thumbnail
CAT_Annular_Cutters Download PDF
Catalog PDF 2
CAT_Mag_Drill_Acc thumbnail
CAT_Mag_Drill_Acc Download PDF

Usage

  • HSS Stack Annular Cutters are designed to cut multiple layers of stacked material.
  • Ideal for drilling through stacked beams, plates, and structural components used in construction and industrial steelwork.
  • Perfect for shops working with layered assemblies, brackets, frames, and welded structures.
  • Excellent for onsite drilling where stacked materials are common, such as equipment mounting, steel erection, and infrastructure work.
  • Enables clean, precise holes through layered steel for conduit, hangers, supports, and mechanical installations.

Benefits

  • Manufactured from premium High Speed Steel (HSS) for excellent heat resistance and long tool life.
  • Produces clean, burr‑free holes across all layers in the stack.
  • Maintains sharpness and cutting efficiency even in demanding, multi‑layer drilling applications.
  • Every cutter comes with a corresponding pilot pin.
  • Supports a wide range of hole sizes and stack thicknesses.

Usage

  • HSS Stack Annular Cutters are designed to cut multiple layers of stacked material.
  • Ideal for drilling through stacked beams, plates, and structural components used in construction and industrial steelwork.
  • Perfect for shops working with layered assemblies, brackets, frames, and welded structures.
  • Excellent for onsite drilling where stacked materials are common, such as equipment mounting, steel erection, and infrastructure work.
  • Enables clean, precise holes through layered steel for conduit, hangers, supports, and mechanical installations.

Benefits

  • Manufactured from premium High Speed Steel (HSS) for excellent heat resistance and long tool life.
  • Produces clean, burr‑free holes across all layers in the stack.
  • Maintains sharpness and cutting efficiency even in demanding, multi‑layer drilling applications.
  • Every cutter comes with a corresponding pilot pin.
  • Supports a wide range of hole sizes and stack thicknesses.
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Depth

1", 2", 3"
Diameter

7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 1-1/16", 1-1/8", 1-3/16", 1-1/4", 1-5/16", 1-3/8", 1-7/16", 1-1/2", 1-9/16", 1-5/8", 1-11/16", 1-3/4", 1-13/16", 1-7/8", 1-15/16", 2"
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