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HSS Annular Cutters (6-Series)

$0.00
  • Diameter: Up to 6″
  • Drilling Depth: Up to 8″
  • Standard sizes, metric sizes, and kits available
  • Pilot pins included up to 4″ depth

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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 Annular Cutter

Benefits

  • Available in sizes up to 6" dia., 8" depth.
  • Cutters up to 4" depth come with corresponding pilot pin.
  • Made from premium HSS for long service life and reliable performance in demanding drilling applications.
  • Resharpenable cutting edges deliver consistent performance across varied job site conditions.
  • No time-consuming pilot holes and step drilling, engineered for smooth cutting action and precise hole geometry.
  • Produces burr free holes, reducing the need for secondary finishing.
* HSS Cutters must be used with lubricant.  View CS Unitec's lubricants and cutting oils.

Applications & Usage

  • HSS Annular Cutters (High-Speed Steel) are ideal for drilling holes in beams, columns, and steel plate used in construction and industrial steelwork.
  • Perfect for onsite drilling tasks using magnetic drills, including equipment mounting, steel erection, and infrastructure work.
  • Ideal for structural steel, mild steel, aluminum, and other common fabrication materials.
  • Useful for repetitive holemaking in production environments where accuracy and tool life matter.
  • Enables clean, precise holes for conduit, supports, hangers, and mechanical installations.
  • Suitable for shops producing brackets, frames, assemblies, and custom metal components.
  • See Suggested Speed / Feed Chart for 6-Series Cutters

Technical Specifications

6-Series HSS Annular Cutters
Under 1" Diameter 1" Depth 2" Depth 3" Depth 4" Depth 6" Depth 8" Depth
7/16"6-1-1146-1-214----
1/2"6-1-1166-1-216----
9/16"6-1-1186-1-218----
5/8"6-1-1206-1-220----
11/16"6-1-1226-1-2226-1-322---
3/4"6-1-1246-1-2246-1-3246-1-4246-1-624-
13/16"6-1-1266-1-2266-1-3266-1-4266-1-626-
7/8"6-1-1286-1-2286-1-3286-1-4286-1-628-
15/16"6-1-1306-1-2306-1-3306-1-4306-1-630-
1-2" Diameter 1" Depth 2" Depth 3" Depth 4" Depth 6" Depth 8" Depth
1"6-1-1326-1-2326-1-3326-1-4326-1-632-
1-1/16"6-1-1346-1-2346-1-3346-1-434--
1-1/8"6-1-1366-1-2366-1-3366-1-436--
1-3/16"6-1-1386-1-2386-1-3386-1-438--
1-1/4"6-1-1406-1-2406-1-3406-1-440--
1-5/16"6-1-1426-1-2426-1-3426-1-442--
1-3/8"6-1-1446-1-2446-1-3446-1-444--
1-7/16"6-1-1466-1-2466-1-3466-1-446--
1-1/2"6-1-1486-1-2486-1-3486-1-448--
1-9/16"6-1-1506-1-2506-1-3506-1-450--
1-5/8"6-1-1526-1-2526-1-3526-1-452--
1-11/16"6-1-1546-1-2546-1-3546-1-454--
1-3/4"6-1-1566-1-2566-1-3566-1-456--
1-13/16"6-1-1586-1-2586-1-3586-1-458--
1-7/8"6-1-1606-1-2606-1-3606-1-460--
1-15/16"6-1-1626-1-2626-1-3626-1-462--
2-3" Diameter 1" Depth 2" Depth 3" Depth 4" Depth 6" Depth 8" Depth
2"6-1-1646-1-2646-1-3646-1-464--
2-1/16"6-1-1666-1-2666-1-3666-1-466--
2-1/8"6-1-1686-1-2686-1-3686-1-468--
2-3/16"6-1-1706-1-2706-1-3706-1-470--
2-1/4"6-1-1726-1-2726-1-3726-1-472--
2-5/16"6-1-1746-1-2746-1-3746-1-474--
2-3/8"6-1-1766-1-2766-1-3766-1-476--
2-7/16"6-1-1786-1-2786-1-3786-1-478--
2-1/2"6-1-1806-1-2806-1-3806-1-480--
2-9/16"6-1-1826-1-2826-1-3826-1-482--
2-5/8"6-1-1846-1-2846-1-3846-1-484--
2-11/16"6-1-1866-1-2866-1-3866-1-486--
2-3/4"6-1-1886-1-2886-1-3886-1-488--
2-13/16"6-1-1906-1-2906-1-3906-1-490--
2-7/8"6-1-1926-1-2926-1-3926-1-492--
2-15/16"6-1-1946-1-2946-1-3946-1-494--
3-4" Diameter 1" Depth 2" Depth 3" Depth 4" Depth 6" Depth 8" Depth
3"6-1-1966-1-2966-1-3966-1-496--
3-1/16"6-1-1986-1-2986-1-3986-1-498--
3-1/8"6-1-11006-1-21006-1-31006-1-4100--
3-3/16"6-1-11026-1-21026-1-31026-1-4102--
3-1/4"6-1-11046-1-21046-1-31046-1-4104--
3-5/16"6-1-11066-1-21066-1-31066-1-4106--
3-3/8"6-1-11086-1-21086-1-31086-1-4108--
3-7/16"6-1-11106-1-21106-1-31106-1-4110--
3-1/2"6-1-11126-1-21126-1-31126-1-4112--
3-9/16"6-1-11146-1-21146-1-31146-1-4114--
3-5/8"6-1-11166-1-21166-1-31166-1-4116--
3-11/16"6-1-11186-1-21186-1-31186-1-4118--
3-3/4"6-1-11206-1-21206-1-31206-1-4120--
3-13/16"6-1-11226-1-21226-1-31226-1-4122--
3-7/8"6-1-11246-1-21246-1-31246-1-4124--
3-15/16"6-1-11266-1-21266-1-31266-1-4126--
4-6" Diameter 1" Depth 2" Depth 3" Depth 4" Depth 6" Depth 8" Depth
4"6-1-11286-1-21286-1-31286-1-4128--
4-1/32"---6-1-4132--
4-1/4"---6-1-4136--
4-1/2"---6-1-4144--
5-1/2"---6-1-4176--
6"---6-1-4190--
If you do not see a size you need, please contact us for custom sizing options. Pilot pin included with every annular cutter up to 4" depth of cut. Note: 6" and 8" depth cutters do not include pilot pins.
Video

Usage

  • HSS Annular Cutters (High-Speed Steel) are ideal for drilling holes in beams, columns, and steel plate used in construction and industrial steelwork.
  • Perfect for onsite drilling tasks using magnetic drills, including equipment mounting, steel erection, and infrastructure work.
  • Ideal for structural steel, mild steel, aluminum, and other common fabrication materials.
  • Useful for repetitive holemaking in production environments where accuracy and tool life matter.
  • Enables clean, precise holes for conduit, supports, hangers, and mechanical installations.
  • Suitable for shops producing brackets, frames, assemblies, and custom metal components.
  • See Suggested Speed / Feed Chart for 6-Series Cutters

Benefits

  • Available in sizes up to 6" dia., 8" depth.
  • Cutters up to 4" depth come with corresponding pilot pin.
  • Made from premium HSS for long service life and reliable performance in demanding drilling applications.
  • Resharpenable cutting edges deliver consistent performance across varied job site conditions.
  • No time-consuming pilot holes and step drilling, engineered for smooth cutting action and precise hole geometry.
  • Produces burr free holes, reducing the need for secondary finishing.
* HSS Cutters must be used with lubricant.  View CS Unitec's lubricants and cutting oils.

Usage

  • HSS Annular Cutters (High-Speed Steel) are ideal for drilling holes in beams, columns, and steel plate used in construction and industrial steelwork.
  • Perfect for onsite drilling tasks using magnetic drills, including equipment mounting, steel erection, and infrastructure work.
  • Ideal for structural steel, mild steel, aluminum, and other common fabrication materials.
  • Useful for repetitive holemaking in production environments where accuracy and tool life matter.
  • Enables clean, precise holes for conduit, supports, hangers, and mechanical installations.
  • Suitable for shops producing brackets, frames, assemblies, and custom metal components.
  • See Suggested Speed / Feed Chart for 6-Series Cutters

Benefits

  • Available in sizes up to 6" dia., 8" depth.
  • Cutters up to 4" depth come with corresponding pilot pin.
  • Made from premium HSS for long service life and reliable performance in demanding drilling applications.
  • Resharpenable cutting edges deliver consistent performance across varied job site conditions.
  • No time-consuming pilot holes and step drilling, engineered for smooth cutting action and precise hole geometry.
  • Produces burr free holes, reducing the need for secondary finishing.
* HSS Cutters must be used with lubricant.  View CS Unitec's lubricants and cutting oils.
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Diameter

Kit, 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", 1-7/64", 1-7/32", 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", 2-1/16", 2-1/8", 2-3/16", 2-1/4", 2-5/16", 2-3/8", 2-7/16", 2-1/2", 2-9/16", 2-5/8", 2-11/16", 2-3/4", 2-13/16", 2-7/8", 2-15/16", 3", 3-1/16", 3-1/8", 3-3/16", 3-1/4", 3-5/16", 3-3/8", 3-7/16", 3-1/2", 3-9/16", 3-5/8", 3-11/16", 3-3/4", 3-13/16", 3-7/8", 3-15/16", 4", 4-1/32", 4-1/4", 4-1/2", 5-1/2", 6", 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 17.5mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, 26mm, 27mm, 28mm, 29mm, 30mm, 31mm, 32mm, 33mm, 34mm, 35mm, 36mm, 37mm, 38mm, 39mm, 40mm, 41mm, 42mm, 43mm, 44mm, 45mm, 46mm, 47mm, 48mm, 49mm, 50mm, 51mm, 52mm, 54mm, 55mm, 56mm, 58mm, 59mm, 60mm, 61mm, 62mm, 65mm, 70mm, 74mm, 75mm, 76mm, 76.5mm, 78mm, 80mm, 81mm, 85mm, 87mm, 88mm, 90mm, 91mm, 94mm, 95mm, 100mm, 110mm, 120mm
Depth

1", 2", 3", 4", 6", 8", 25 mm, 50 mm, 75 mm, 100 mm, 110 mm
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