Feeds & Speeds Calculators

HHS-HSCO Calculator

Nachi LIST# L500, L501, L501A, L561, L563, L531, L6501, L6520, L599, L6563, L6531

Material & Diameter:

Material to Machine:

Drill Diameter (Decimal Format)

Suggested Starting Parameters

SFM  
V  
RPM  
IPR  
IPM  
MM/Rev  
m/min  
 
Notes:
  1. The cutting conditions of Titanium Alloys and Nickel Alloys are for HSS-Co drills only
  2. The above values apply when coolant is used in a vertical machine. In a horizontal machine or deep hole use pecking
  3. Adjust drilling condition when unsual vibration or different sound occurs

Nachi LIST# L501P, L520P, L561P

Material & Diameter:

Material to Machine:

Drill Diameter (Decimal Format)

Suggested Starting Parameters

SFM  
V  
RPM  
IPR  
IPM  
MM/Rev  
m/min  
 
Notes:
  1. The above values apply when coolant is used in a vertical machine. In a horizontal machine or deep hole use pecking
  2. Adjust drilling condition when unsual vibration or different sound occurs

Nachi LIST# L517P, L545P

Material & Diameter:

Material to Machine:

Drill Diameter (Decimal Format)

Suggested Starting Parameters

SFM  
V  
RPM  
IPR  
IPM  
MM/Rev  
m/min  
 
Notes:
  1. The above values apply when coolant is used in a vertical machine. In a horizontal machine or deep hole use pecking
  2. Adjust drilling condition when unsual vibration or different sound occurs

Nachi LIST# L551, L6551, L651

Material & Diameter:

Material to Machine:

Drill Diameter (Decimal Format)

Suggested Starting Parameters

SFM  
V  
RPM  
IPR  
IPM  
MM/Rev  
m/min  
 
Notes:
  1. The above values apply when coolant is used in a vertical machine. In a horizontal machine or deep hole use pecking
  2. Adjust drilling condition when unsual vibration or different sound occurs

Nachi LIST# L581

Material & Diameter:

Material to Machine:

Drill Diameter (Decimal Format)

Suggested Starting Parameters

SFM  
V  
RPM  
IPR  
IPM  
MM/Rev  
m/min  
 
Notes:
  1. The above values apply when coolant is used in a vertical machine. In a horizontal machine or deep hole use pecking
  2. Adjust drilling condition when unsual vibration or different sound occurs
Decimal Converter

MM = 0 Decimal Eqiv.