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Hand reamer, alloy tool steel manual reamer 26272830323435

price:USD$88.60
discount 70% in 2018-09-20 to 2018-09-22
price: USD$ 62.02
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Brand: going to work

Standard: GB/T1131.1

Material: alloy tool steel

Model 3mm-50mm welcome consultation

The difference between H7H8:Take the hole with the diameter of 10 millimeters as an exampleThe precision of H7 is, the upper limit is +0.015[mm], the lower limit is 0[, the machining error must be between +0.015 and 0]; the precision of H8 is +0.022[mm], the lower limit is 0[, and the machining error must be between +0.022 and 0.