A spiral drill, sometimes referred to as a twist drill, is a type of cutting tool used to make cylindrical holes in a variety of materials, such as plastic, metal, and wood. It has a long, cylindrical body with flutes—spiral grooves—running the length of it. By assisting in the evacuation of chips, or material shavings, produced during drilling, these flutes help to avoid clogging and promote smoother operation. The drill bit, which starts the hole, is a pointed tip on one end of the drill. Spiral drills come in a variety of sizes and materials for a range of applications, and they are frequently used in conjunction with drilling machines or handheld drills.
Spiral Drill Prices
Spiral drill prices vary depending on the brand, sizes, and material used. Its price ranges from ₱122.00 to ₱339.00.
| Details | Size | Material | Prices |
| Melong | 4 x 22 cm | Metal | ₱122.00 |
| Melong | 5 x 45 cm | Metal | ₱141.00 |
| Melong | 8 x 25 cm | Metal | ₱170.00 |
| Opepo | 4 x 45 cm | Manganese Steel | ₱128.00 |
| Opepo | 8 x 30 cm | Manganese Steel | ₱165.00 |
| DBDS | 8 x 30 cm | Carbon Steel | ₱339.00 |
| DBDS | 5 x 22 cm | Carbon Steel | ₱219.00 |
Advantages of Spiral Drill
Effective Chip Removal – Spiral flutes make it easier to remove chips from the hole you’re drilling, which keeps things from clogging and lets you keep drilling.
Versatility – Spiral drills are adaptable tools for a variety of applications because they can be used on a broad range of materials, including metal, wood, plastic, and composites.
Precise Drilling – Spiral drills’ pointed tips guarantee exact hole initiation and placement, which produces accurate drilling outcomes.
Decreased Heat Buildup – Because spiral drills remove chips more effectively than other drills, they tend to produce less heat during drilling, which lowers the chance of material damage and prolongs tool life.
Faster Drilling Speeds – Spiral drills’ design allows for faster drilling speeds than other drill types, which boosts machining operations’ productivity and efficiency.
Disadvantages of Spiral Drill
Limited Hole Depth – When drilling a hole, spiral drills may be limited in how deep they can go, particularly when working with harder materials. Drilling continuously with spiral drills may cause heat buildup and increased friction, which could result in tool wear and decreased drilling accuracy.
Difficult to Sharpen – Spiral drill sharpening calls for expertise and specific tools. Ineffective sharpening can lead to uneven hole shapes, premature tool failure, and poor drilling performance.
Prone to Breakage – When drilling, spiral drills, especially those with smaller diameters or those composed of brittle materials, are vulnerable to breaking if they are handled improperly or subjected to excessive force.
Video about Spiral Drill
FAQs
What is a spiral drill used for?
Metal, wood, plastic, and composite materials can all be drilled with cylindrical holes using spiral drills. They are frequently utilized in applications related to manufacturing, building, metalworking, and woodworking.
How are spiral drills operated?
The body of spiral drills has spiral flutes and a pointed tip, also known as a drill bit. The flutes remove chips from the hole to prevent clogging and enable smooth drilling, while the drill bit rotates to cut into the material.
Which materials are suitable for using spiral drills?
Due to their versatility, spiral drills can be used on a wide range of materials, including wood, plastic, fiberglass, metals (such as steel, aluminum, and brass), and composite materials. However, depending on the particular material being drilled, different drill materials and coatings may be selected.
How can I select the appropriate spiral drill size for my use?
The diameter, depth, and type of material being drilled are some of the factors that determine the size of the spiral drill required. It is imperative to choose a drill size that is suitable for the particular needs of the application, keeping in mind the characteristics of the material and the intended hole dimensions.
Is spiral drilling possible to resharpen?
Spiral drills can be sharpened again to increase their useful life. Spiral drill sharpening, however, calls for expertise and specific tools. Tool longevity and drilling performance can be impacted by improper sharpening.