Pneumatic Angle Grinders

The Trelawny 4″, 5″, and 7″ models are lightweight, robust, and high-performing pneumatic angle grinders designed to handle a wide variety of grinding and cutting applications. Their durable construction ensures reliable performance, while their ergonomic design provides ease of use across different tasks.

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Low vibration options available

Applications
  • Paint & rust removal.
  • Weld seam cleaning.
  • Grinding & polishing.
  • Descaling & preparation of steel or aluminium surfaces.
Features
  • Safety trigger to protect operator when not in use.
  • 4”, 5″ & 7” Disc grinders.
  • Lightweight, ergonomic design.
  • Spindle lock for fast changing of discs*.
  • Low Vibration options available when low noise and vibration levels are preferred.
Key specifications
4’’ Angle Grinder
170.4050
Trelawny Part No. 170.4050
IMPA Part No. 59.03.01
ISSA Part No. 55.086.00
Speed (rpm) 12,000
Air Consumption (lps – cfm) 4.72 – 10
Weight (kg) 1.76
Noise Level (LwA db(A)) 82.9
Length (mm) 220
Spindle Size M10
Vibration Level (Aeq m/s²) 5.1
4’’ Angle Grinder c/w Wire Brush Head
170.4150
Trelawny Part No. 170.4150
IMPA Part No. N/A
ISSA Part No. N/A
Speed (rpm) 12,000
Air Consumption (lps – cfm) 4.72 – 10
Weight (kg) 1.76
Noise Level (LwA db(A)) 82.9
Length (mm) 220
Spindle Size M10
Vibration Level (Aeq m/s²) 5.1
Low Vibration 5’’ Angle Grinder
170.4054
Trelawny Part No. 170.4054
IMPA Part No. N/A
ISSA Part No. N/A
Speed (rpm) 10,000
Air Consumption (lps – cfm) 4.72 – 10
Weight (kg) 1.7
Noise Level (LwA db(A)) 83
Length (mm) 230
Spindle Size M14
Vibration Level (Aeq m/s²) 1.2
Low Vibration 7’’ Angle Grinder
170.4071
Trelawny Part No. 170.4071
IMPA Part No. 59.03.02
ISSA Part No. N/A
Speed (rpm) 7,500
Air Consumption (lps – cfm) 3.78 – 8
Weight (kg) 3.1
Noise Level (LwA db(A)) 90
Length (mm) 318
Spindle Size 5/8 unc
Vibration Level (Aeq m/s²) <2.5
Consumables
100mm Grinding Discs, Pack of 5
Part no. 491.4050
75mm Twist Knot De-rusting Brush M10
Part no. 851.4060
127mm Grinding Discs, Pack of 5
Part no. 491.4055
75mm Twist Knot De-Rusting Brush M14
Part no. 851.4065
127mm Scaleforce Speed Disc, Pack of 10
Part no. 491.4005
180mm Grinding Discs, Pack of 5
Part no. 491.4070
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The Trelawny 4″, 5″, and 7″ models are lightweight, robust, and high-performing pneumatic angle grinders designed to handle a wide variety of grinding and cutting applications. Their durable construction ensures reliable performance, while their ergonomic design provides ease of use across different tasks.

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Paint & rust removal.
Weld seam cleaning.
Grinding & polishing.
Descaling & preparation of steel or aluminium surfaces.

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Safety trigger to protect operator when not in use.
4”, 5″ & 7” Disc grinders.
Lightweight, ergonomic design.
Spindle lock for fast changing of discs*.
Low Vibration options available when low noise and vibration levels are preferred.

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Trelawny Part No. 170.4050
IMPA Part No. 59.03.01
ISSA Part No. 55.086.00
Speed (rpm) 12,000
Air Consumption (lps – cfm) 4.72 – 10
Weight (kg) 1.76
Noise Level (LwA db(A)) 82.9
Length (mm) 220
Spindle Size M10
Vibration Level (Aeq m/s²) 5.1
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Trelawny Part No. 170.4150
IMPA Part No. N/A
ISSA Part No. N/A
Speed (rpm) 12,000
Air Consumption (lps – cfm) 4.72 – 10
Weight (kg) 1.76
Noise Level (LwA db(A)) 82.9
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Trelawny Part No. 170.4054
IMPA Part No. N/A
ISSA Part No. N/A
Speed (rpm) 10,000
Air Consumption (lps – cfm) 4.72 – 10
Weight (kg) 1.7
Noise Level (LwA db(A)) 83
Length (mm) 230
Spindle Size M14
Vibration Level (Aeq m/s²) 1.2
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Trelawny Part No. 170.4071
IMPA Part No. 59.03.02
ISSA Part No. N/A
Speed (rpm) 7,500
Air Consumption (lps – cfm) 3.78 – 8
Weight (kg) 3.1
Noise Level (LwA db(A)) 90
Length (mm) 318
Spindle Size 5/8 unc
Vibration Level (Aeq m/s²) <2.5
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