A round shank metal drill is one of the best choices for drills. This tool is suitable for drilling holes in different types of metals. Because this is a drilling tool, it has a tapered head and is mainly used to drill holes in the round shapes. The use of such is often preferred over other types of...
When geological drill pipes are broken, lost drills, broken joints, etc., the user is very distressed. So, what are the factors that cause the fracture of geological drill pipes? The first is the selection of geological drill pipe materials. If the drill pipe uses ordinary steel, its toughnes...
Preparation of diamond bit before drilling 1. Check the previous diamond bit for damage to the bit body, tooth loss, etc., and make sure the bottom of the well is clean and free of falling objects. 2. Carry the diamond bit carefully and place the diamond bit on a rubber pad or wooden board. It is fo...
Common rotary drilling bits include spiral drill bits, rotary digging buckets, barrel core bits, expanded bottom bits, percussion bits, punching taper bits and hydraulic grabs, which are briefly introduced below. 1.1 Spiral drill (1) Cone: Double-headed double screw, suitable for hard bedrock...
The drill pipe is a steel pipe with a thread at the tail, which is used to connect the surface equipment of the drilling rig and the drilling and grinding equipment or bottom hole device at the bottom of the well. The purpose of the drill pipe is to transport the drilling mud to the drill bit and ra...
Woodworking Drills And Woodworking Drill Bits Come In Many Shapes And Sizes. Woodworking drills come in various sizes to meet the diverse requirements of a woodworking project. Woodworking drill bits also come in various shapes and sizes to meet the needs of a wide variety of projects. Woodworking d...