Ingersoll Rand 315G Straight-Line Air Sander
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Highlights
- Ingersoll Rand's 315G Straight Line Air Sander has a twin piston design that keeps extra power in reserve to prevent stalling
- Tackle tough sander jobs like smoothing down body filler or shaping and leveling large flat surfaces
- The straight line pneumatic sander has a pad size of 2.75" x 15" and provides 3000 reciprocating strokes per minute
- Ergonomic hand grip, lighter weight body and low vibration increase comfort while operating, keeping you working longer and finishing tasks more efficiently
- Fast action paper clamps allow for quick change overs. Paper size should be 17.5" long to accommodate its wrap around clamps
Why You'll Love It
- Twin-piston mechanism maintains continuous power under heavy pressure to prevent the sander from stalling
- Generous 2.75 by 15 inch pad smooths body filler and levels large surfaces quickly
- High-speed output delivers 3000 reciprocating strokes per minute for rapid stock removal
- Ergonomic grip and low-vibration construction reduce user fatigue during prolonged bodywork projects
- Fast-action wrap-around clamps enable quick and secure sandpaper changes between grit steps
Pros
- +Twin-piston design prevents stalling
- +Fast 3000 strokes per minute
- +Large 2.75 x 15-inch sanding pad
- +Low vibration and ergonomic grip
- +Quick-change paper clamps
Cons
- -Requires long 17.5-inch sandpaper sheets
- -Requires a pneumatic air source
- -Large size unsuited for tight curves
Detailed Review
The 315G Straight-Line Air Sander is a pneumatic tool built specifically for leveling broad panels and smoothing body filler. Designed for automotive and workshop tasks, it provides the length and steady stroke needed to create uniform, flat surfaces across large workpieces.
At the center of its operation is a twin-piston motor delivering 3000 reciprocating strokes per minute. This dual-piston setup holds extra power in reserve to keep the pad moving without stalling under heavy contact. The 2.75 x 15-inch pad offers a substantial contact area, while the lightweight body, ergonomic grip, and low-vibration design help minimize strain during extended sanding sessions.
Because this is a specialized straight-line pneumatic tool, it relies on a compatible air supply to run. Its 15-inch pad requires 17.5-inch paper to wrap securely into the fast-action clamps, meaning standard-sized sanding sheets will not fit without proper sizing.
Verdict: This air sander is a capable choice for anyone needing to block sand large panels or shape body filler efficiently. If you have an air system and need reliable leveling power, this tool provides steady performance and easy handling.
Specifications
- Pad Dimensions: 2.75 inches x 15 inches
- Required Sandpaper Length: 17.5 inches
- Operating Speed: 3000 reciprocating strokes per minute
- Power Source: Pneumatic (Air)
- Motor Design: Twin piston
Who Should Buy It
A great fit if you:
- Need to flatten and shape automotive body filler.
- Work on large, flat surfaces requiring uniform leveling.
- Already have a pneumatic air setup in your workshop.
- Want a low-vibration tool with fast paper clamp changes.
Consider something else if you:
- Do not have access to an air compressor.
- Need a compact sander for small, curved parts.
FAQ
What size sandpaper does this sander use?
The tool requires sandpaper sheets that are 17.5 inches long to properly wrap around and fit into the fast-action clamps.
How fast does the sander operate?
It runs at 3000 reciprocating strokes per minute.
What is the benefit of the twin-piston design?
The twin pistons keep extra power in reserve to prevent the sander from stalling during tough smoothing and leveling jobs.
Product Details
| ASIN | B0057D8I5E |
