4-1/2" X 1/4" X 5/8"-11 T27 HUB DEPRESSED CENTER GRINDING WHEEL - 10 PACK
Benchmark Abrasives 4-1/2" x 1/4" x 5/8"-11 T27 hub depressed center grinding wheels are built for aggressive stock removal, weld grinding, edge cleanup, and general metal fabrication. The full 1/4" wheel thickness provides the durability and working surface needed for sustained grinding applications, while the threaded hub simplifies installation on compatible angle grinders.
Made with aluminum oxide abrasive grain, these Type 27 wheels are designed for grinding steel, stainless steel, and other approved metals. The depressed-center profile provides practical working clearance for common angle-grinder applications, making this a dependable choice for weld removal, beveling, surface cleanup, and material reduction in fabrication, maintenance, repair, and construction environments.
The 5/8"-11 threaded hub mounts directly onto compatible 4-1/2" angle grinders with a 5/8"-11 spindle. With a maximum rating of 13,500 RPM, this wheel pairs well with the Benchmark Abrasives 4-1/2" Angle Grinder when the proper Type 27 grinding guard and operating setup are used.
Bottom line, these cut off wheels offer LESS cutting resistance for fast work, LESS work piece waste, LESS vibration, LESS burrs and sparks and LESS dust than the competition.
Quantity: 10 Grinding Wheels
Product Specifications
Specification
Details
Diameter
4-1/2"
Thickness
1/4"
Mount
5/8"-11 Threaded Hub
Wheel Type
Type 27 Depressed Center Grinding Wheel
Abrasive Grain
Aluminum Oxide
Maximum RPM
13,500
Operation
Grinding
Quantity
10 Wheels
Product Features
1/4" thickness for sustained grinding and stock removal
5/8"-11 threaded hub for direct mounting on compatible angle grinders
Type 27 depressed-center design for common grinding applications
Aluminum oxide abrasive grain for steel, stainless steel, and approved metals
4-1/2" diameter for maneuverable fabrication and repair work
Rated up to 13,500 RPM
Designed for weld removal, beveling, edge cleanup, and material reduction
Convenient hubbed design for straightforward wheel installation
Materials & Applications
Recommended Materials:
Steel
Stainless Steel
Other approved metals
Best For:
Weld removal
Weld blending and cleanup
Stock removal
Beveling
Edge grinding
Surface cleanup
Metal fabrication
Equipment repair
Maintenance applications
General-purpose grinding
Machine Compatibility
Designed for compatible 4-1/2" angle grinders with a 5/8"-11 spindle and an approved Type 27 hubbed grinding-wheel setup.
Metabo® WEPBA 17-125 Quick RT DS (10,000 RPM, North American version)
Milwaukee® 2880-20 (8,500 RPM)
Use the proper Type 27 grinding guard and the manufacturer's 5/8"-11 hubbed-wheel mounting instructions. Check full thread engagement and guard coverage; do not clamp the threaded hub between plain-arbor wheel flanges. Other models may also be compatible when they meet the same wheel and setup requirements.
Grinding Performance
The 1/4" wheel profile is designed for sustained grinding rather than cutting. Its thicker construction provides the working surface needed for stock removal, weld cleanup, edge preparation, and beveling.
The 5/8"-11 threaded hub simplifies mounting and wheel changes compared with a plain-arbor wheel. Use the wheel at the grinding angle specified for the wheel and grinder setup, and allow the abrasive to perform the work without excessive pressure.
Safety Tips
Use this wheel for grinding applications.
Never exceed the wheel's 13,500 RPM maximum speed.
Confirm the grinder uses a compatible 5/8"-11 spindle.
Always use the proper Type 27 grinding guard specified for the grinder and wheel configuration.
Make sure the threaded hub is fully and correctly engaged before operation.
Use the grinder's side handle for control during grinding.
Inspect the wheel before use and do not operate cracked, chipped, damaged, or improperly stored wheels.
Avoid excessive pressure and use the wheel only within its approved grinding application.
Wear appropriate eye and face protection, hearing protection, gloves, and other PPE required for the application.
4-1/2" X 1/4" X 5/8"-11 T27 HUB DEPRESSED CENTER GRINDING WHEEL - 10 PACK
Benchmark Abrasives 4-1/2" x 1/4" x 5/8"-11 T27 hub depressed center grinding wheels are built for aggressive stock removal, weld grinding, edge cleanup, and general metal fabrication. The full 1/4" wheel thickness provides the durability and working surface needed for sustained grinding applications, while the threaded hub simplifies installation on compatible angle grinders.
Made with aluminum oxide abrasive grain, these Type 27 wheels are designed for grinding steel, stainless steel, and other approved metals. The depressed-center profile provides practical working clearance for common angle-grinder applications, making this a dependable choice for weld removal, beveling, surface cleanup, and material reduction in fabrication, maintenance, repair, and construction environments.
The 5/8"-11 threaded hub mounts directly onto compatible 4-1/2" angle grinders with a 5/8"-11 spindle. With a maximum rating of 13,500 RPM, this wheel pairs well with the Benchmark Abrasives 4-1/2" Angle Grinder when the proper Type 27 grinding guard and operating setup are used.
Bottom line, these cut off wheels offer LESS cutting resistance for fast work, LESS work piece waste, LESS vibration, LESS burrs and sparks and LESS dust than the competition.
Quantity: 10 Grinding Wheels
Product Specifications
Specification
Details
Diameter
4-1/2"
Thickness
1/4"
Mount
5/8"-11 Threaded Hub
Wheel Type
Type 27 Depressed Center Grinding Wheel
Abrasive Grain
Aluminum Oxide
Maximum RPM
13,500
Operation
Grinding
Quantity
10 Wheels
Product Features
1/4" thickness for sustained grinding and stock removal
5/8"-11 threaded hub for direct mounting on compatible angle grinders
Type 27 depressed-center design for common grinding applications
Aluminum oxide abrasive grain for steel, stainless steel, and approved metals
4-1/2" diameter for maneuverable fabrication and repair work
Rated up to 13,500 RPM
Designed for weld removal, beveling, edge cleanup, and material reduction
Convenient hubbed design for straightforward wheel installation
Materials & Applications
Recommended Materials:
Steel
Stainless Steel
Other approved metals
Best For:
Weld removal
Weld blending and cleanup
Stock removal
Beveling
Edge grinding
Surface cleanup
Metal fabrication
Equipment repair
Maintenance applications
General-purpose grinding
Machine Compatibility
Designed for compatible 4-1/2" angle grinders with a 5/8"-11 spindle and an approved Type 27 hubbed grinding-wheel setup.
Metabo® WEPBA 17-125 Quick RT DS (10,000 RPM, North American version)
Milwaukee® 2880-20 (8,500 RPM)
Use the proper Type 27 grinding guard and the manufacturer's 5/8"-11 hubbed-wheel mounting instructions. Check full thread engagement and guard coverage; do not clamp the threaded hub between plain-arbor wheel flanges. Other models may also be compatible when they meet the same wheel and setup requirements.
Grinding Performance
The 1/4" wheel profile is designed for sustained grinding rather than cutting. Its thicker construction provides the working surface needed for stock removal, weld cleanup, edge preparation, and beveling.
The 5/8"-11 threaded hub simplifies mounting and wheel changes compared with a plain-arbor wheel. Use the wheel at the grinding angle specified for the wheel and grinder setup, and allow the abrasive to perform the work without excessive pressure.
Safety Tips
Use this wheel for grinding applications.
Never exceed the wheel's 13,500 RPM maximum speed.
Confirm the grinder uses a compatible 5/8"-11 spindle.
Always use the proper Type 27 grinding guard specified for the grinder and wheel configuration.
Make sure the threaded hub is fully and correctly engaged before operation.
Use the grinder's side handle for control during grinding.
Inspect the wheel before use and do not operate cracked, chipped, damaged, or improperly stored wheels.
Avoid excessive pressure and use the wheel only within its approved grinding application.
Wear appropriate eye and face protection, hearing protection, gloves, and other PPE required for the application.
Frequently Asked Questions
This wheel is designed for grinding, including stock removal, weld cleanup, beveling, edge grinding, and general metal fabrication.
No. This is a 1/4" Type 27 grinding wheel. Use a properly rated cut-off or pipeline wheel for cutting applications.
The threaded hub mounts directly onto compatible 5/8"-11 grinder spindles, simplifying installation and eliminating the separate arbor-flange setup used with plain-arbor wheels.
Yes. The Benchmark Abrasives BMT-AGBC4570 has a matching 5/8"-11 spindle and runs at 11,000 RPM. Use it with the approved hubbed grinding-wheel setup, full thread engagement, and adequate Type 27 guard coverage.
Compatible examples include Makita® 9557PB / 9557PBX1 (11,000 RPM), DEWALT® DWE402 (11,000 RPM), Bosch® GWS10-45 (11,500 RPM), Metabo® WEPBA 17-125 Quick RT DS (10,000 RPM, North American version), and Milwaukee® 2880-20 (8,500 RPM). Use the approved 5/8"-11 hubbed-wheel setup with full thread engagement and adequate Type 27 guard coverage. Other models may also be compatible when they meet the same wheel and setup requirements.
It is intended for steel, stainless steel, and other metals specifically approved for the wheel.
The maximum wheel speed is 13,500 RPM.
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