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Straight shank high speed steel machine reamer H7H8H9 specifications complete, non-standard custom 2MM--20MM

Quality assurance, specifications complete, non-standard custom-made.

price:USD$27.00
discount 70% in 2018-09-22 to 2018-09-24
price: USD$ 18.90
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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The specialized manufacturers of reamer include hand reamer, straight shank machine reamer, taper shank machine reamer, taper reamer, lengthened reamer, sleeve reamer, etc.. The accuracy of machine reamer is as follows: DD4H7H8H9.DD4 is the old standard, H7H8H9 is new standard.The H blade is twice as long as the D blade.The tolerances are with reamer size (commonly known as string).The levels are H7>D>H8>D4>H9 (from high to low). For example, 10 mm reamer D class 10.01 mm. D4 class 10.02 mm. H7 class 10.005--10.01 mm. H8 class 10.01--10.015 mm. Class H9 is 10.02 millimeters.The spot is complete, high precision non-standard needs to be made to order.