Solid Carbide Drills Recommended Cutting Conditions Table 01 - DPC Series (Internal Coolant) Drill Diameter Ø3-6mm Ø6.1~10mm Ø10.1-16mm Work Material Hardness Vc Feed Vc Feed Vc Feed(m/min)(mm/rev)(m/min)(mm/rev)(m/min)(mm/rev) Mild Steel (<180HB) 70~120 0.1~0.2 90~130 0.15~0.3 110~150 0.25~0.4 P Cabon Steel (180~280HB) 70~110 0.1~0.2 90~120 0.15~0.3 110~140 0.25~0.4 Alloy Steel (280~350HB) 60~100 0.08~0.18 65~110 0.15~0.27 80~120 0.22~0.35 M Stainless Steel (<200HB) 35~60 0.06~0.15 45~80 0.1~0.25 55~100 0.2~0.3 Cast lron (<350Mpa) 70~100 0.1~0.2 80~120 0.15~0.3 90~140 0.25~0.4 K Ductile Cast lron (<450Mpa) 50~80 0.1~0.2 60~90 0.15~0.3 70~110 0.25~0.4 Aluminum <12% Si - 80~140 0.1~0.25 100~160 0.15~0.35 110~180 0.3~0.45 N Aluminum >12% Si - 70~120 0.1~0.25 90~130 0.15~0.35 100~150 0.3~0.45 S Heat Resistant Alloy - 15~30 0.02~0.08 20~40 0.04~0.1 25~45 0.06~0.12 H Hardened Material 40~60HRC 10~25 0.02~0.08 15~35 0.04~0.1 20~40 0.06~0.12 Warning : For deep hole drills(10xD~20xD), need reduce the Vc to 90% and require an initial pilot hole to help guide the drill. Table 02 - DPN, DFN, DGN Series (External Coolant) Drill Diameter Ø3-6mm Ø6.1~10mm Ø10.1-16mm Work Material Hardness Vc Feed Vc Feed Vc Feed(m/min)(mm/rev)(m/min)(mm/rev)(m/min)(mm/rev) Mild Steel (<180HB) 40~70 0.1~0.2 55~85 0.15~0.3 60~100 0.25~0.4 P Cabon Steel (180~280HB) 35~65 0.1~0.2 50~80 0.15~0.3 55~90 0.25~0.4 Alloy Steel (280~350HB) 30~60 0.08~0.18 40~75 0.15~0.27 50~85 0.22~0.35 M Stainless Steel (<200HB) 20~40 0.06~0.15 25~50 0.1~0.25 30~60 0.2~0.3 Cast lron (<350Mpa) 40~60 0.1~0.2 50~75 0.15~0.3 55~85 0.25~0.4 K Ductile Cast lron (<450Mpa) 35~55 0.1~0.2 45~70 0.15~0.3 50~80 0.25~0.4 Aluminum <12% Si - 60~100 0.1~0.25 65~115 0.15~0.35 70~130 0.3~0.45 N Aluminum >12% Si - 50~90 0.1~0.25 60~110 0.15~0.35 65~120 0.3~0.45 S Heat Resistant Alloy - 15~30 0.02~0.08 20~40 0.04~0.1 25~45 0.06~0.12 H Hardened Material 40~60HRC 10~25 0.02~0.08 15~35 0.04~0.1 20~40 0.06~0.12 Warning :For slope drilling, please adjust cutting data acording to inclined angle 1. For inclined angle under 20 degree, reduce the feed to 50% 2. For inclined angle between 20 to 50 degree, reduce the feed to 40%, and reduce rotation to 70% 3. For inclined angle between 50 to 65 degree, reduce the feed to 30%, and reduce rotation to 70% 4. Not recommend to side milling B043