Description
Q945-R32 Thread Button Bit — 45 mm, R32 Thread
The Q945-R32 is a top-hammer thread button bit with a 45 mm head diameter and nine spherical tungsten carbide buttons, designed for hydraulic drill jumbos and rock drill wagons in underground mining and tunneling. The bit body is machined from heat-treated alloy steel with carbide inserts hot-pressed into precision-drilled holes, and the R32 female thread connects to standard R32 drill rods and shank adapters.
Specification
- Model: Q945-R32
- Head diameter: 45 mm
- Thread: R32
- Button count: 9 spherical tungsten carbide buttons
- Face design: flat face with 3 flushing holes
- Body material: heat-treated alloy steel
- Inserts: tungsten carbide
- Compatible machines: hydraulic drill jumbos and top-hammer rock drills with R32 rods
- Applications: tunneling, underground mining development, drifting, small-diameter blast holes
Features
- Nine spherical tungsten carbide buttons give balanced face coverage and long service life in hard, abrasive rock.
- Precision-machined R32 thread keeps a firm, low-wear connection to the drill rod.
- Three flushing holes clear cuttings quickly and reduce button wear.
- Forged, heat-treated alloy steel body resists cracking under high impact energy from hydraulic drifters.
- Suited to drill jumbos used in tunnels, mine drifts and development headings.
How to read the model number
Q945-R32 follows the RDT coding system: Q = spherical (ball) button bit, 9 = 9 carbide buttons, 45 = 45 mm head diameter, R32 = R32 threaded connection.
Frequently asked questions
What does the model number Q945-R32 mean?
Q stands for a spherical button bit, 9 is the number of tungsten carbide buttons, 45 is the head diameter in millimetres, and R32 is the thread type of the connection.
Which machines and rods fit this bit?
Top-hammer hydraulic drill jumbos and rock drill wagons using R32 threaded drill rods and shank adapters. Send us a photo of your rod thread or the bit you are replacing if you are unsure and we will confirm the match.
Can I order other thread types, diameters or insert shapes?
Yes. Head diameter, thread (R25, R28, R32, R38, T38, T45, T51), insert shape (spherical or ballistic) and face design are all made to order. OEM markings and private-label packaging are available on request.
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