Are you tired of struggling to find the right cutting parameters for drilling different materials? Do you feel overwhelmed by the vast amount of information out there? Look no further!
Our comprehensive guide provides all the information you need to drill different materials with ease.
From aluminum and aluminum alloys to tool steel and gray cast iron, we’ve got you covered. Our cutting parameters for both high-speed steel and hard alloy drill bits are backed by research and practical experience, ensuring that you get the best results every time.
Say goodbye to trial and error and hello to efficient and effective drilling. Let us help you take the guesswork out of drilling and achieve your desired outcomes.
Keep reading to discover our promise of simplified drilling and improved productivity.
(1) Cutting parameters for drilling different materials using high-speed steel drill bits
| Workpiece material | Hardness | Cutting speed V/(m/min) | Drill bit diameter d/mm | Drill bit helix angle /(°) | Drill point angle /(°) | |||||||
| Brinell HBS | Rockwell HRB | <3 | 3~6 | 6~13 | 13~19 | 19~25 | ||||||
| Feed rate f/(mm/r) | ||||||||||||
| Aluminum and aluminum alloy | 45~105 | ~62 | 105 | 0.08 | 0.15 | 0.25 | 0.40 | 0.48 | 32~42 | 90~118 | ||
| Aluminum and aluminum alloy | High machinability | ~124 | 10~70 | 60 | 0.08 | 0.15 | 0.25 | 0.40 | 0.48 | 15~40 | 118 | |
| Low machinability | ~124 | 10~70 | 20 | 0.08 | 0.15 | 0.25 | 0.40 | 0.48 | 0~25 | 118 | ||
| Magnesium and magnesium alloy | 50~90 | ~52 | 45~120 | 0.08 | 0.15 | 0.25 | 0.40 | 0.48 | 25~35 | 118 | ||
| Zinc alloy | 80~100 | 41~62 | 75 | 0.08 | 0.15 | 0.25 | 0.40 | 0.48 | 32~42 | 118 | ||
| Carbon steel | ~0.25C | 125~175 | 71~88 | 24 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 25~35 | 118 | |
| ~0.50C | 175~225 | 88~98 | 20 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 25~35 | 118 | ||
| ~0.90C | 175~225 | 88~96 | 17 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 25~35 | 118 | ||
| Alloy steel | 0.12~0.25C | 175~225 | 88~98 | 21 | 0.08 | 0.15 | 0.20 | 0.40 | 0.48 | 25~35 | 118 | |
| 0.30~0.65C | 175~225 | 88~98 | 15~18 | 0.05 | 0.09 | 0.15 | 0.21 | 0.26 | 25~35 | 118 | ||
| Tool steel | 196 | 94 | 18 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 25~35 | 118 | ||
| Gray cast iron | Soft | 120~150 | ~80 | 43~46 | 0.08 | 0.15 | 0.25 | 0.40 | 0.48 | 30~30 | 90~118 | |
| Medium-hard | 160~220 | 80~97 | 24~34 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 14~25 | 90~118 | ||
| Malleable cast iron | 112~126 | ~71 | 27~37 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 20~30 | 90~118 | ||
| Ductile cast iron | 190~225 | ~98 | 18 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 14~25 | 90~118 | ||
| Plastic | — | — | 30 | 0.08 | 0.13 | 0.20 | 0.26 | 0.32 | 15~25 | 118 | ||
| Hard rubber | — | — | 30~90 | 0.05 | 0.09 | 0.15 | 0.21 | 0.26 | 10~20 | 90~118 | ||
(2) Cutting parameters for drilling different materials using hard alloy drill bits
| Workpiece material | Tensile strength resistance σb/MP a | Hardness HBS | Feed rate f/(mm/r) | Cutting speed V/(m/min) | Cutting fluid | ||
| d/mm | |||||||
| 5~10 | 11~30 | 5~10 | 11~30 | ||||
| Tool steel | 1000 1800~1900 2300 | 300 500 575 | 0.08~0.12 0.04~0.15 <0.02 | 0.12~0.2 0.05~0.08 <0.03 | 35~40 8~11 <6 | 40~45 11~14 7~10 | Non-water soluble cutting oil |
| Nickel-chromium steel | 1000 1400 | 300 420 | 0.08~0.12 0.04~0.05 | 0.12~0.2 0.05~0.08 | 35~40 15~20 | 40~45 20~25 | |
| Cast steel | 500~600 | —— | 0.08~0.12 | 0.12~0.2 | 35~38 | 38~40 | |
| Stainless steel | —— | —— | 0.08~0.12 | 0.12~0.2 | 25~27 | 27~35 | |
| Heat-resistant steel | —— | —— | 0.01~0.05 | 0.05~0.1 | 3~6 | 5~8 | |
| Gray cast iron | —— | 200 | 0.2~0.3 | 0.3~0.5 | 40~45 | 45~60 | Dry cutting or emulsion |
| Alloy cast iron | —— | 230~350 | 0.03~0.07 | 0.05~0.1 | 20~40 | 25~45 | Non-water soluble cutting oil or emulsion |
| —— | 350~400 | 0.03~0.05 | 0.04~0.08 | 8~20 | 10~25 | ||
| Malleable cast iron | —— | —— | 0.15~0.2 | 0.2~0.4 | 35~38 | 38~40 | Dry cutting or emulsion |
| Brass | —— | —— | 0.07~0.15 | 0.1~0.2 | 70~100 | 90~100 | |
| Cast bronze | —— | —— | 0.07~0.1 | 0.09~0.2 | 50~70 | 55~75 | |
| Aluminum | —— | —— | 0.15~0.3 | 0.3~0.8 | 250~270 | 270~300 | Dry cutting or gasoline |
| Hard rubber | —— | —— | 0.2~0.4 | 30~60 | |||
| Thermosetting resin | —— | —— | 0.04~0.1 | 60~90 | |||
| Plastic | —— | —— | 0.05~0.25 | 30~60 | |||
| Glass | —— | —— | Hand feed | 4.5~4.7 | |||
| Fiberglass composite material | —— | —— | 0.063~0.127 | 198 | |||
