Meet the BOSCH 85248MC 3/4 In. x 3/4 In. Carbide-Tipped Hinge Mortising Router Bit — a precision tool built for cabinetry pros and DIYers who demand clean hinge mortises and long bit life.

Engineered for wood, plastic, and laminate, this carbide-tipped router bit delivers accuracy and durability from the first cut to the hundredth profile. Its micrograin carbide tips stay sharp and resist wear, even under high-temperature mortising jobs.

Key Features & Design

• Micrograin carbide-tip router bit design – ensures consistently smooth finish cuts with superior wear resistance.
• Hinge-mortising design – optimized for good chip clearance when precision matters most.
• Control cut design – helps minimize kickback, with balanced cutting and minimal vibration.
• Reinforced shanks – feature fully hardened and tempered steel shanks for ultimate durability.
• Upgraded micrograin carbide – engineered for precise cuts and long bit life.
• Bosch-exclusive heat-treating process – provides hardness and withstands high temperatures.
• Suitable for mortising, edge forming, trimming, surface forming, and cabinetry/joinery in wood, plastic and laminate.
• Cut diameter: 0.75 in • Number of flutes: 2 • Shank diameter: 1/4 in • Shank length: 1.25 in • Overall length: 2 in

Specifications

• Straight Router Bit Type: Hinge Mortising
• Amperage: Not Required
• Bit Material: Carbide Tipped
• Cut Diameter (in): 0.75
• Number of Flutes: 2
• Shank Diameter: 1/4 in
• Shank Length (in): 1.25
• Overall Length: 2
• Set / Individual: Individual