Optimize Your Drilling Process with Our Expert Selection of Cutting Parameters

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.

Table of Contents

(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
			Brinell HBS	Rockwell HRB		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
Aluminum and aluminum alloy		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
Alloy steel	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
Gray cast iron	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 σ_b/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
Alloy cast iron	——	350~400	0.03~0.05	0.04~0.08	8~20	10~25	Non-water soluble cutting oil or emulsion
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