A small sample of the parts made by Bull Moose Eng & Mfg

These were repair parts that were reverse engineered from customer samples and machined from from mild steel.

Part was made from 6061 Aluminum. The customer wanted the counter bored holes as close to the OD as feasible with out breaking thru the OD. We were able to get within .006".

This was the company's first order. The parts are 26" lg 3/4"x3/4"x1/8" A36 Steel angle. There are 26 holes 1/4" in diameter. Bull Moose Eng & Mfg made 750 of these with only a "Bridgeport" with a DRO. That's 19,500 holes drilled all on location with in +/-.005" and +.003"/-0 on the diameter.

These parts were made from D2 heat treated to 60 HRC with a tight tolerance ID and a 10 ra (micro inch) surface finish. All work was done in house including heat treatment.

These parts had to have 3/8x16 threaded holes and clearance holes enlarged to 3/4x10. The material is D2 hardness HRC 60. The bolt in the picture is 3/4x10.

These parts were made from .04" th 300 series Stainless steel. The slots where machined to have full 45 deg chamfers. Tape measure is for size reference.