
Weldclass TIG Tungsten Grinder PROMAX TGR40 WC-01854
Weldclass · Beyond Tools
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Selected options: promax tgr40 replacement diamond wheel set · Available
options: promax tgr40 replacement diamond wheel set — Available. The price shown is for this option. We've recorded it as low as $48.95.
In stock when we last checked on 13 Aug 2026. Prices change — confirm on the store's page before buying.
Price history
We started tracking this on 13 Aug 2026 and have recorded a single price so far. The chart appears once we've seen the price move.
Description
The Weldclass PROMAX TGR40 Tungsten Grinder provides affordable, fast, safe, and precise TIG tungsten grinding / sharpening. Sharpen any 1.0, 1.6, 2.4, 3.2 or 4.0mm tungsten electrode to a 15°, 22.5°, or 32° angle in seconds. Easy to use, super portable, and requires no power supply when using with cordless rotary tool. Available as a kit with cordless rotary tool and case, or as grinding head only that will fit to rotary tools from most leading power tool brands.
Features
- 7-Year Warranty offer*
- Fast, Safe, and Precise TIG tungsten grinding
- Reduce down-time and improve grind quaility
- Available as attachment tool only (WC-01854), or kit with cordless rotary tool and case (WC-01864)
Specification
- Grinding angles: 15°, 22.5°, and 32°
- Suits all common Tungsten sizes: 1.0mm, 1.6mm, 2.4mm, 3.2mm, 4.0mm
- Attachment fits to most Rotary Tool brands**
- Grinding disc size: Ø30mm
- Rotary tool RPM: Adjustable 5,000 to 30,000 RPM
- Rotary tool power supply: 8VDC 2.0AH
**Fits to most brands of 'Rotary Tool', with common 3/4 x 12tpi external male thread (usually covered by a cap) used for mounting the grinding tool head. Note that Die Grinders typically do NOT have this external thread and are not suitable.
Options
Image Part No. Description
WC-01864
PROMAX TGR40 Tungsten Grinder Kit with Rotary Power Tool Includes:
- Cordless rotary power tool
- USB-C Charging cable
- Grinder head tool
- Protective transparent cover
- 10 x Diamond grinding wheels
- 2 x Spindles
- Spanner and screw driver tool
- Carry case
WC-01854
PROMAX TGR40 Tungsten Grinder Attachment Only
Fits to most/common rotary tool brands Includes:
- Grinder head tool
- Protective transparent cover
- 10 x Diamond grinding wheels
- 2 x Spindles
- Spanner / screw driver tool
WC-01829
Replacement Diamond Wheel Set
⚠️ Safety Guidelines For Handling of Thoriated Tungsten Electrodes ⚠️
Important Notice: Thoriated Tungsten electrodes contain low-level radioactive thorium. Improper handling may pose health and environmental risks. Follow these safety guidelines and comply with all applicable local regulations.
Regulatory Compliance: Check with local authorities: Disposal and handling requirements vary by region. Consult your local environmental, radiation safety, or hazardous waste management authority for specific guidance.
Personal Protective Equipment (PPE): Always wear gloves and a mask when handling Thoriated Tungsten or its dust. Use a respirator if grinding or sanding to prevent inhalation of radioactive particles. Avoid skin contact and ingestion.
Waste Handling and Storage: Collect all dust and waste in a sealed, clearly labelled container. Store the container in a designated, secure area until it can be transported to an approved disposal facility. Do not dispose of Thoriated Tungsten waste in general rubbish or wastewater systems.
Liability Disclaimer: Failure to follow these safety procedures may result in personal injury, environmental harm, or legal consequences. Weldclass takes no responsibility for misuse, or non-compliance with your local regulations.
*Standard warranty 6 months, with extended 7 year warranty available if registered online after purchase, click here for details.
Details
- Options
- PROMAX TGR40 Tungsten Grinder Kit with Rotary Power Tool · PROMAX TGR40 Tungsten Grinder Attachment Only · PROMAX TGR40 Replacement Diamond Wheel Set
- Weight
- 480 g
- Variants
- 3 of 3 in stock
Variants
| Option | Price | Status |
|---|---|---|
| options: promax tgr40 tungsten grinder kit with rotary power tool | $267 | Available |
| options: promax tgr40 tungsten grinder attachment only | $138 | Available |
| options: promax tgr40 replacement diamond wheel set | $48.95 | Available |
- Store
- Beyond Tools
- Brand
- Weldclass
- SKU
- 8043987
- Category
- Grinders & Sanders
- First tracked
- 13 Aug 2026
- Last checked
- 13 Aug 2026











