10mm 12mm 15mm 16mm 20mm 30mm Aluminum Split Collar Drill Bit Shaft Depth Stop With Handle Long-Lasting

Description: Used as a Shaft Collar on machinery or any type of bit Quickly and easily help you drill holes to exact depth Great for production work and repeated drilling by positively locking anywhere along the bit. QUALITY: Made of premium aluminum polished high quality durable Fine workmanship high precision Specification: Inner Hole Diamter: Approx.16mm 20mm 30mm 10mm 15mm 12mm/0.63 0.79 1.18 0.39 0.59 0.47 inch Thickness: Approx.18mm/0.71 inch Overall Size #1: Approx.73x60/2.87x2.36 inch Overall Size #2: Approx.75x60/2.95x2.36 inch Overall Size #3: Approx.95x70/3.74x2.76 inch Overall Size #4: Approx.73x50/2.87x1.97 inch Overall Size #5: Approx.73x50/2.87x1.97 inch Overall Size #6: Approx.73x50/2.87x1.97 inch Hole Thread: M5 Material: Aluminum Color: Package Includes: 1 Piece Stop Collar