Bar Hole Single Cup

  • Bar hole single cup jewels are flat on one side with a straight hole through the center and a cup surrounding the hole opposite from the flat side.
  • The cup may be used as an oil reservoir or to limit the length of the hole.
  • Typical applications include gas or liquid flow meters, measuring meters, gyros, aircraft instruments, dial indicators, watches or clocks.
  • Custom dimensions and tolerances available upon request.
Model Inside Diameter
(mm)		 Outside Diameter
(mm)		 Length
(mm)		 Material
MT5500 0.6350 - 0.6400 2.03 - 2.04 0.45 - 0.50 Sapphire
MT5501 0.4826 - 0.4876 1.65 - 1.66 0.51 - 0.55 Sapphire
MT5502 0.4826 - 0.4953 1.65 - 1.66 0.51-0.55 Sapphire
MT5503 0.4623 - 0.4686 1.6256 - 1.6383 0.4826 - 0.5334 Sapphire
MT5504 0.8916 - 0.9067 2.9922 - 3.0022 0.45 - 0.55 Sapphire
MT5505 0.140 - 0.144 1.00 - 1.006 0.23 - 0.27 Ruby
MT5506 0.5080 - 0.5130 2.03 - 2.04 0.45 - 0.50 Sapphire or Ruby
MT5507 0.4140 - 0.4241 0.7976 - 0.8077 0.2159 - 0.2667 Ruby
MT5508 0.150 - 0.154 1.00 - 1.0075 0.23 - 0.28 Ruby
MT5509 0.43 - 0.44 2.10 - 2.12 0.80 - 0.85 Sapphire
MT5510 0.3980 - 0.4030 1.59 - 1.60 0.45 - 0.50 Sapphire or Ruby
MT5511 0.2601 - 0.2641 1.8009 - 1.8069 0.32 - 0.37 Sapphire
MT5512 0.28 - 0.29 1.65 - 1.66 0.82 - 0.86 Sapphire
MT5513 0.2200 - 0.2260 1.4000 - 1.4075 0.31 - 0.36 Ruby
MT5514 0.3000 - 0.3060 1.4000 - 1.4075 0.31 - 0.36 Ruby
MT5515 0.2200 - 0.2240 1.00 - 1.0075 0.23 - 0.28 Sapphire
MT5516 0.794 - 0.800 2.03 - 2.04 0.45 - 0.50 Ruby
MT5517 0.31 - 0.32 1.59 - 1.60 0.45 - 0.50 Sapphire or Ruby
MT5518 0.2540 - 0.2590 1.26 - 1.27 0.29 - 0.34 Sapphire or Ruby
MT5519 0.2000 - 0.2040 1.26 - 1.27 0.29 - 0.34 Sapphire or Ruby
MT5520 0.160 - 0.164 1.26 - 1.27 0.29 - 0.34 Sapphire or Ruby
MT5521 0.1000 - 0.1040 1.01 - 1.02 0.22- 0.26 Sapphire or Ruby
MT5522 0.80 - 0.81 1.80 - 1.81 0.74 - 0.80 Sapphire
MT5523 0.5200 - 0.5260 1.4000 - 1.4025 0.31 - 0.36 Ruby
MT5524 0.120 - 0.124 1.26 - 1.27 0.29 - 0.34 Sapphire or Ruby
MT5525 0.48 - 0.49 1.65 - 1.66 0.82 - 0.86 Sapphire
MT5526 0.2500 - 0.2540 1.200 - 1.2060 0.28 - 0.32 Ruby
MT5530 0.2600 - 0.2660 1.2000 - 1.2060 0.28 - 0.32 Ruby