HARFINGTON 3/4″ Drill Bit 3/8″ Reduced Shank 3-Flat 4241 High Speed Steel Nitriding Black 118° for Soft Materials Wood Plastic Iron Copper Aluminum 3/4 inch 3/8″ Shank

A big-hole twist bit that fits common 3/8″ chucks: this HARFINGTON 3/4″ drill bit uses a 3/8″ reduced shank with 3 flats for grip, plus a 118° point for general drilling in wood, plastic, and soft metals (copper, aluminum, iron). Nitriding black surface treatment is designed to improve wear and corrosion resistance. Not suitable for stainless steel.

coobeast 49 Pcs Torque Screwdriver 10-70 Inch Pound Torque Screwdriver Set with S2 Bits & Sockets, 1/4” Drive Torque Wrench Screwdriver Set for Maintenance, Tools, Bike Repairing and Mounting

A versatile 49-piece coobeast torque screwdriver set featuring a 10–70 in-lbs adjustable range (1 in-lb increments), ±2 in-lbs accuracy, and a click signal to help prevent over-torque. Includes a 1/4″ drive torque screwdriver, extension bar, assorted S2 bits, and 1/4″ sockets for maintenance, bike repair, and mounting tasks.