Maillefer Bur Kits
Maillefer burs are the finest Swiss made burs. Standard 2.35 mm
(3/32") shank. Extremely accurate and sharp. Very economical for stone
setters and jewellers. Maximum safe cutting speeds for Maillefer tool steel
burs vary by bur diameter.
Maillefer Tool Steel Burs
Maximum Safe Cutting Speeds
Bur Diameter
|
Max Speed
(RPM)
|
0.5 mm
|
30,000
|
1.0 mm
|
30,000
|
1.5 mm
|
25,000
|
2.0 mm
|
18,500
|
2.5 mm
|
15,000
|
3.0 mm
|
12,500
|
3.5 mm
|
10,000
|
4.0 mm
|
9,000
|
4.5 mm
|
8,000
|
5.0 mm
|
4,500
|