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2/6.5/7/8.5/10 H7 precision tungsten steel reamer with whole hard alloy cutter 45 degrees straight handle slot machine

price:USD$155.00
discount 70% in 2018-09-20 to 2018-09-22
price: USD$ 108.50
freight :USD$18.00,(Express)
freight :USD$7.00,(Postal parcel)
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Mobile phone /V:15857605044 contact: Chen

 

The whole machine straight shank reamer with straight handle tungsten alloy reamer precision H7H8 has 5 specifications of uniform spot spot

Need different standard length contact us!

Factory direct production. You can order the fastest 3-5 days.

The small size blade is generally 4 Blade large size is generally 6 edge.

Performance: suitable for processing high hardness quenching products, suitable for processing of chilled cast iron and alloy heat-resistant alloy steel, precision machining can also be suitable for ordinary iron, high wear resistance, good strength.

Machine reamers with precision grade: DD4H7H8H9

DD4 is the old standard, the new standard is H7H8H9.

Levels are: (rank) H7 > D > H8 > D4 > H9

Reamer tolerances are generally add size (commonly known as silk)

Example: 10 mm reamer

D 10.01 mm

D4 10.02 mm

H7 10.005 - 10.01 mm

H8 10.01 - 10.015 mm

H9 10.02 mm

(Note: the specifications are not sure to contact customer serviceMachines are beatingAccuracy refers to the reamer size rather than the machined hole size)