Maxdrill Thread R28-Top Hammer Drilling Tools for Drifting and Tunneling

Product catalog summary

Overview: The document provides technical specifications for Maxdrill's Drifting and Tunneling equipment, specifically focusing on the R28 (1 1/8”) series. It includes details on button bits, dome bits, reaming tools, drill rods, and couplings.

Specifications:

Button Bits: Available in various sizes with dimensions ranging from 38mm to 76mm. The button bits have different configurations of flushing holes and button angles, primarily at 30° and 35°.
Dome Bits: Offered in sizes 40mm and 76mm, with specific configurations for flushing holes and button arrangements.
Reaming Tools: Include reaming bits and pilot bits with a 6° taper.
Drill Rods and Couplings: Hex rods with threads R28/R32, available in different lengths and dimensions. Crossover couplings are also specified for R28-R32 connections.

Key Parameters:

Thread Size: R28 (1 1/8”)
Flushing Hole Configurations: Varying from 1×5 to 14×11 depending on the bit type.
Angle Class: Predominantly 30° and 35° for button bits.

Weight Table: Provides the weight of various components, ranging from 0.45 kg to 23.00 kg, depending on the part number and type.

Part Numbers: Each component is associated with a specific part number for easy identification and ordering.