Threading bitfor steel

Point angle: It is also known as cutting edge angle. It is the angle included between the two opposite lips of a drill, measured in a plane containing the axis of the drill and both the lips. the most common value of the angle is 118°.

Threading bitfor metal

Rake Angle: It is also known as the helix angle. the angle between a plane passing through the drill axis and the leading edge of the land is known as rake or helix angle. it varies from 0° to 48°. Higher values are suitable for softer materials and lower values are suitable for harder materials.

Drilling is a process of producing round holes in a solid material or enlarging existing holes with the use of multi-point cutting tools called drills or drill bits. Various cutting tools are available for drilling, but the most common is the twist drill.

Threading bithome depot

The Indian Space Research Centre has released a new notification for the ISRO Technician B Fitter 2023. A total of 20 vacancies are released for the ISRO Technician B Recruitment 2023. Candidates can apply from 27th March 2023 to 24th April 2023. Candidates must have passed SSLC/ SSC/ Matriculation and should have NTC/ITI/NAC in Fitter Trade Certificate from an NCVT recognized by the government to satisfy the ISRO Technician B Fitter Eligibility Criteria.

Chisel edge angle: The obtuse angle formed between the lip and the chisel edge is known as the chisel edge angle. It ranges from 120° to 135°.

As the drill is rotated and advanced into the workpiece, the material is removed in the form of chips that move along the fluted shank of the twist drill.