Screw heads

Timberock screw-in head retrofits

Designed with flexible and durable materials to optimize your hard rock drilling operations.

The multi-screw function means greater productivity, as the screwdriver heads are compatible with a variety of screws.

Perfect fits, regardless of the original manufacturer

Timberock screw-in heads are designed to fit perfectly with drills from any manufacturer. The screw systems feature two independent feeding systems mounted on a rotary indexing system and a carousel for quick loading of up to nine screws, including the four main types of screws.

The screw carousel holds up to nine screws for quick loading—the four main types of screws
The patented screen manipulator makes installation easy
Molded polyurethane components reduce unit weight

Features and benefits

Indexing system

The threading heads incorporate two independent feeding systems mounted on a rotary indexing system. This allows for the practical and precise alignment of rock bolts with the drilled holes.

Flexible screw guide

Allows the centralizer to move out of the way of the drill. Made from flexible yet durable materials, it is designed to optimize your hard rock drilling operations.

Patented screen manipulator

Mounting the screwdriver bit directly onto the tube allows operators to hang the protective material from the enclosed cab or the machine’s canopy.

Hydraulic guide

The patented flexible screw guide is designed to increase drilling productivity. It allows for increased drilling depth or the use of drill bit extensions.

Screw carousel

Option available for rapid loading of up to nine screws, including the four main types of screws. Hydraulically operated from the unit, optimizing the efficiency of the screwdriving cycle.

Independent feeds

Help operators access tight and hard-to-reach spaces. The lightweight aluminum components are also durable and cost-effective.

Key features of the Timberock screw-in head adapter

Video series

Episode 1: Feeds

Product support specialist Jameson Evans introduces essential feeding systems, highlighting the benefits of the TR-21’s dual, independent design, its innovative adjustable wear strips, and much more.

Episode 2: Pulley and cable system

Product support specialist Jameson Evans highlights the importance of the pulley and cable system for performance and durability. Discover a unique and innovative design that can help deliver maintenance and durability benefits for your underground hard rock mining operation.

Episode 3: Drill bit and cable holders

Discover how a smart, unique design—made from durable aluminum alloy and enhanced with adjustable wear-part mounts—reduces weight and helps minimize corrosion.

Episode 4: Organizing hoses

Product support specialist Jameson Evans demonstrates how a smart hose management system can help you minimize downtime and maximize uptime.

Episode 5: Indexing protection

A common operator error can cause the operator to come into contact with the carousel, resulting in costly damage to your machine, as well as downtime that hinders the productivity of your underground hard rock mining operation. See how unique indexing protection features can help prevent this costly setback.

Episode 6: Flexible bolt guides

Product support specialist Jameson Evans demonstrates how the TR-21’s unique, flexible bolt tensioner design works and highlights some significant advantages for underground hard rock mining operations. This innovative component has no moving parts, which can help reduce operating costs and downtime.

Episode 7: Screw carousel

Versatility and the ability to quickly and easily switch between different bolts during the screw-in process are essential for efficiency and productivity in underground hard rock mining. See how quick and easy it is to switch between two bolt sizes on the TR-21’s nine-bolt carousel.

Episode 8: Indexing system

In this video, product support specialist Jameson Evans demonstrates the features of the TR-21 indexing system. Discover how this system’s unique features make maintenance and repairs easier, helping to maximize uptime in your underground hard rock operation.

Episode 9: C-frame

A common problem with mounting heads used in underground hard rock mines is cracking in the C-frame after prolonged use. Learn how the design of this critical C-frame can help minimize downtime due to failures in this structure for your underground hard rock mining operation.

Episode 10: Hydraulic control block

The innovative design of the hydraulic control block provides two independent feeding systems, a safety feature with indexing lock, and control over various options. See how this innovation can improve bolting operations in your underground hard rock mine.

Episode 11: Built-in screen manager

Product support specialist Jameson Evans demonstrates how the stinger cylinder and the optional screen manipulator work. See how the smart design of the screen manipulator, integrated into the cylinder, provides outstanding visibility and performance when installing protective screens.