Metric Press-Fit Drill Bushings. Also known as jig bushings, these metric drill bushings fit inside fixture plate holes to guide drill bits, counterbores, reamers, and other cutting tools.
They improve accuracy so that your drilled holes and cuts are consistent from part to part. Bushing Type: Press Fit. Type P press fit headless bushings are the most popluar and least expensive. They offer a wide variety of configurations. Standard I.D.'s are in drill size fractions, letters and numbers.
Standard O.D.'s come ground finished ready for insertion or unground enabling customer to finish grind to their O.D. specifications.
Press fit or shrink fit bushing design and installation is a common method of retaining bearings by use of interference between the bushing and the bushing hole. Bushings are available in standard sizes with both inside and outside diameters surfaces finished, and are commonly available in many sizes.
Typically, bushings are designed and manufactured to inch over nominal on outside. Headless Press Fit Bushing Industry Code P Inside Diameter (Inch) 5/16 Inside Diameter (Decimal Inch) Body Outside Diameter (Inch) 1/2 Overall Bushing Length (Inch) 5/16 Renewable Bushing No Installation Method Press-Fit Head or Headless Headless Bushing Material Steel Counterbored No Inside Diameter Tolerance (Decimal Inch) + to + Head Press Fit Bushing Industry Code H Inside Diameter (Inch) 13/16 Inside Diameter (Decimal Inch) Body Outside Diameter (Inch) /8 Length Under Head (Inch) 1 Renewable Bushing No Installation Method Press-Fit Head or Headless Head Head Outside Diameter (Inch) /64 Head Height (Inch) 3/8 Bushing Material Steel Counterbored No Inside Diameter Tolerance (Decimal Inch).
Feb 20, If you can heat a 5" bore housing up to about F and freeze the bushing, you should have about clearance to slide it in before it binds up. You'll have about four or five seconds before it grabs. If you press, make SURE to chamfer the edges of the bushing and make the end going in first about small for the first 1/4", tapering up to the full fit in about 3/4".