what is the definition of
1/ portable drill
2/ pillar drill
3/countersink
4/pilot hole
thanks for your help
http://dictionary.reference.com/browse/drill
http://www.design-technology.info/equipment/pillardrill/default.htm
http://www.technologystudent.com/equip1/macdrl1.htm
http://en.wikipedia.org/wiki/Countersink
http://en.wikipedia.org/wiki/Pilot_hole
thankyou for helping finding the sites about the different drills it was big help
You're welcome.
1/ A portable drill is a handheld power tool that is designed to drill holes in various materials such as wood, metal, or plastic. It is called "portable" because it is lightweight and can be easily moved and carried around.
To find the definition of a portable drill:
- You can search for "definition of portable drill" on a search engine like Google.
- You can use a dictionary or a specialized tool glossary to find the definition.
2/ A pillar drill, also known as a drill press, is a stationary drilling machine that is mounted on a stand or pillar. It is commonly used in workshops and industrial settings for drilling holes accurately and with precision.
To find the definition of a pillar drill:
- You can search for "definition of pillar drill" on a search engine like Google.
- You can consult engineering or woodworking textbooks that cover various types of drilling machines.
3/ A countersink is a cone-shaped cutting tool that is used to create a beveled hole, typically on the surface of a material, in order to recess the head of a screw, bolt, or fastener. This allows the fastener to sit flush with or below the material's surface.
To find the definition of a countersink:
- You can search for "definition of countersink" on a search engine like Google.
- You can refer to woodworking or metalworking resources that explain different types of cutting tools and their applications.
4/ A pilot hole is a small-diameter hole that is drilled into a material before inserting a larger screw, nail, or drill bit. It serves as a guide for the larger hole, ensuring accurate placement and reducing the risk of splitting or damaging the material.
To find the definition of a pilot hole:
- You can search for "definition of pilot hole" on a search engine like Google.
- You can look up woodworking or DIY guides that discuss drilling techniques and terminology.