Overview

This document provides technical specifications and details for the Maxdrill GT60 series used in bench and long hole drilling operations. The GT60 drill rods and button bits are designed for efficient drilling with specific dimensions, threading, and flushing hole configurations.

Specifications

Drill Rods (GT60 Thread)

• Rod diameter: 60 mm (2 3/5 inches)
• Lengths available: 3660 mm (12 ft), 4270 mm (14 ft), 6100 mm (20 ft)
• Weight ranges from 73 kg to 110 kg depending on length
• Part numbers: 2060T60MF36, 2060T60MF42, 2060T60MF61

Button Bits

• Button sizes vary between 3×11 mm to 10×14 mm
• Flushing hole diameters range from 6 mm to 10 mm
• Bit angles are consistently 35°
• Button bit classes are marked as 'H'
• Multiple part numbers correspond to different button bit configurations, including front and gauge sizes

Dimensions and Threading

• Thread type: GT60
• Gauge sizes vary, with no specific sizes listed but multiple options indicated
• Flushing holes are designed to optimize drilling fluid flow
• Dimensions D (diameter) and L (length) are specified for rods and bits

Weight and Part Number Index

The document includes a weight table correlating part numbers with their respective weights and page references. Weights range from approximately 4 kg for smaller components to over 110 kg for longer rods.

Critical Information and Best Practices

• Ensure correct matching of button bit size and flushing hole diameter for optimal drilling performance.
• Use specified part numbers to maintain compatibility with GT60 threading system.
• Maintain consistent bit angle (35°) for effective penetration and durability.
• Consider weight and length of rods for handling and operational planning.

Summary

The Maxdrill GT60 series offers a range of drill rods and button bits tailored for bench and long hole drilling. The detailed specifications on dimensions, threading, button sizes, and flushing holes provide essential guidance for selecting appropriate components to ensure efficient and reliable drilling operations.