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How to Choose Your Air Drill
Questions to ask:
1. What size of chuck do you need to use? You have 2 options: 3/8” (10 mm) or 1/2” (13 mm)
2. Do you need a medium or heavy duty drill? The name of the drill indicates what you get.
3. Do you need a high speed (1800 – 2100 RPM) or a low speed (500 – 800 RPM) drill?
4. Do you need a one-way or reversible drilling action?
The use of a drill versus an angle grinder: It’s not advisable to perform any sideways actions with a drill. Drills are not built like angle grinders to take sideways pressure. The force exercised in using a drill runs directly down the drill bit into the drill itself. An angle grinder has bearings to take pressure at an angle.
Air Drill Chuck size Speed Reversible
HIT 2-840 3/8” Chuck Medium Duty 3/8” (10 mm) High (2100 RPM) No
HIT 10-D 3/8” Chuck Heavy Duty 3/8” (10 mm) High (2000 RPM) No
HIT SR10 3/8” Chuck Reversible 3/8” (10 mm) High (1800 RPM) Yes
HIT 2-836 1/2” Chuck Medium Duty 1/2” (13 mm) Low (500 RPM) No
HIT 666 1/2” Chuck Heavy Duty 1/2” (13 mm) Low (500 RPM) No
HIT SR13 1/2” Chuck Reversible 1/2” (13 mm) Low (800 RPM) Yes
Key Purpose of Drills
The most obvious purpose of a drill is to drill holes. However skilled artisans can use drills for other purposes, e.g. enlarging exiting holes, or whatever use can be achieved with additional fittings, e.g. sanding and polishing. The angle of pressure should be seriously considered when using a drill for purposes other than drilling.
Key Advantages and Benefits of Air Drills
• Less operator fatigue.
• Optimal work performance.
• Higher levels of safety than with electrical drills.
• Lighter weight allows for ease of operation and control.
• Compact size makes all tasks are much more accessible.
• Greater suitability for precision work.
• Increased productivity.
• Quicker work performance.
• Virtually eliminate damage to your work in progress.
• Easy to service.
• Quick to repair.
• Very long lasting durability.
• Reliable performance.
• Ergonomic design for best possible human performance on the job.
Best Practice and Benchmark Applications
• Metalwork applications
• Woodwork applications
• Machine shops
• Assembly lines
• Furniture industry
• Building industry
• Housing construction
• Shop fitting
HIT air drills combine the following key features to the best benefit of the operator:
• Light weight
• Solid body construction
• Compact size
• Ergonomic design
• Standard air supply and fittings