What drill bit is best for aluminium, and which is best for medium density wood (pulp wood)? - Quora
![HYCLAT 5PCS Step Drill Bit Set | Titanium High-Speed Steel (HSS) Stepper Cone Drill Bit | Covering 50 Sizes(1/8''-1 3/8''), 135 Degree Point, with Aluminum Case - Amazon.com HYCLAT 5PCS Step Drill Bit Set | Titanium High-Speed Steel (HSS) Stepper Cone Drill Bit | Covering 50 Sizes(1/8''-1 3/8''), 135 Degree Point, with Aluminum Case - Amazon.com](https://m.media-amazon.com/images/I/41sJobYCDhL.jpg)
HYCLAT 5PCS Step Drill Bit Set | Titanium High-Speed Steel (HSS) Stepper Cone Drill Bit | Covering 50 Sizes(1/8''-1 3/8''), 135 Degree Point, with Aluminum Case - Amazon.com
![Amazon.com: HUAZHICHUN 5PCS Size 12.3mm,M42 8% Cobalt Drill Bit Set, HSS Metal Drill Bits with Titanium Finish, for Wood, Plastic, with Metal Drill Index (Drill bit Set),Aluminum Alloy, Metal, : Industrial & Amazon.com: HUAZHICHUN 5PCS Size 12.3mm,M42 8% Cobalt Drill Bit Set, HSS Metal Drill Bits with Titanium Finish, for Wood, Plastic, with Metal Drill Index (Drill bit Set),Aluminum Alloy, Metal, : Industrial &](https://m.media-amazon.com/images/I/615S2YJe45L._AC_UF894,1000_QL80_.jpg)
Amazon.com: HUAZHICHUN 5PCS Size 12.3mm,M42 8% Cobalt Drill Bit Set, HSS Metal Drill Bits with Titanium Finish, for Wood, Plastic, with Metal Drill Index (Drill bit Set),Aluminum Alloy, Metal, : Industrial &
![DRILLFORCE 5PCS 31/64" Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. - Amazon.com DRILLFORCE 5PCS 31/64" Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. - Amazon.com](https://m.media-amazon.com/images/I/81hCZUnHJVL._AC_UF1000,1000_QL80_.jpg)
DRILLFORCE 5PCS 31/64" Inch HSS General Purpose Heavy Duty Jobber Cobalt Twist Drill Bits,Ideal for Drilling on mild Steel, Copper, Aluminum, Zinc Alloy etc. - Amazon.com
![JEFE HEX 1/2" Dia. 5" OAL HSS Twist Drill Bit, General Purpose, 3-Flat Shank, Black and Gold Finished, 135 Degree Split Point, Ideal for Steel/Wood/Copper/Aluminum/Zinc Alloy/Plastic. (2-Piece) - Amazon.com JEFE HEX 1/2" Dia. 5" OAL HSS Twist Drill Bit, General Purpose, 3-Flat Shank, Black and Gold Finished, 135 Degree Split Point, Ideal for Steel/Wood/Copper/Aluminum/Zinc Alloy/Plastic. (2-Piece) - Amazon.com](https://m.media-amazon.com/images/I/51vofsJtKOS._AC_.jpg)
JEFE HEX 1/2" Dia. 5" OAL HSS Twist Drill Bit, General Purpose, 3-Flat Shank, Black and Gold Finished, 135 Degree Split Point, Ideal for Steel/Wood/Copper/Aluminum/Zinc Alloy/Plastic. (2-Piece) - Amazon.com
![uxcell Solid Carbide Drill Bits, 2mm C2/K20 Tungsten Carbide Jobber Drill Bits Straight Shank Drilling Tool for Stainless Steel Aluminum Iron Metal Plastic 4pcs - Amazon.com uxcell Solid Carbide Drill Bits, 2mm C2/K20 Tungsten Carbide Jobber Drill Bits Straight Shank Drilling Tool for Stainless Steel Aluminum Iron Metal Plastic 4pcs - Amazon.com](https://m.media-amazon.com/images/I/613Oo074flL.jpg)