Part Number: 21725650
/Vendor ID Number: 1139477
/Custom:
PFERD 21725650
by PFERD
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Product Overview
PFERD Carbide Bur SD-3 L6 Ball Shape STEEL Cut 3/8" x 5/16" x 1/4" Shank
With the innovative STEEL cut, PFERD has developed unique burs for steel and cast steel. These burs feature significantly increased aggressiveness and easy control for safe and precise work. Due to their incredibly high stock removal rate, STEEL cut burs help users save considerable time and money. Ball-shaped bur, shape D. Tungsten carbide burs with extended shanks are ideal for efficiently machining small, hard-to-reach areas. The shanks can be shortened if required. This bur has a long steel shank.
Product Availability
Item is usually in stock, but we'll be in touch if there's a problem
Use the burs on powerful power tools with elastically mounted spindles to avoid unwanted vibration.
Recommendations for use 1:
Observe the recommended rotational speed.
Recommendations for use 2:
For the most cost-effective bur use, work with higher rotational/peripheral speeds. For burs with a 1/4" shank diameter, use power tools with a power output from 300 watts.
REFERENCE_FEATURE_GROUP_ID:
P_15255_178436
RPM from, hardened, heat-treated steels over 370 H:
4000
RPM
RPM from, rust and acid-resistant steels:
4000
RPM from, rust and acid-resistant steels UNIT:
RPM
RPM from, steels up to 370 HV (38 HRC):
4000
RPM from, steels up to 370 HV (38 HRC) UNIT:
RPM
RPM to, hardened, heat-treated steels over 370 HV:
9000
RPM
RPM to, rust and acid-resistant steels:
9000
RPM to, rust and acid-resistant steels UNIT:
RPM
RPM to, steels up to 370 HV (38 HRC):
9000
RPM to, steels up to 370 HV (38 HRC) UNIT:
RPM
Safety notes:
Very high speeds can cause discoloration on the shank. This does not constitute a safety risk.
Safety notes 1:
For safety reasons, the maximum application speeds with contact with the workpiece require a reduction in the recommended speed of tungsten carbide burs with standard shanks. Observe the reduced speeds outlined in the product details.
Safety notes 2:
When working with longer shanks, it is crucial that the bur is in contact with the workpiece (or inserted in the hole or slot to be machined) before the power tool is turned on. As a rule, the bur must remain in contact with the workpiece for as long as th
Safety notes 3:
Not designed for robotic or stationary applications due to risk of bending. Use only rigid clamping systems/power tools.