Feature(may vary by option.)
ā—¸Widely used for drilling machining, built in drills, milling machines, etc.
[10.7mm]
Description
D4 Accuracy HSS Machine Reamers Straight Shank Reamers 9-10.9mm
D4 Precision Machine Reamers
Material: HSS
Precision: D4.
Package Content: 1 x D4 Machine Reamer
The difference for different precision, take 8 mm as an example:
D4: 8.02 mm.
H7: 8.005-8.01mm
H8: 8.01-8.015 mm