Walter 3-Inch Spinlock Zirconia Grinding Disc 36 Grit

Tough Grinding for Tight Spots

When you are wedged in a tight corner or trying to clean up a weld inside a small pipe, a standard 4.5-inch angle grinder just won't fit. That is where the Walter Spinlock Z/A Resin Fiber Disc (09D503) comes in to save the day. This 3-inch powerhouse is built for welders who need to remove metal fast but don't have the room to maneuver a full-sized tool. With a coarse 36 grit, it bites hard into steel, stainless, and aluminum, ripping away slag, heavy rust, and weld beads without bogging down.

Time is money in the shop, and nobody likes wasting time fumbling with wrenches to change a worn-out disc. The Spinlock system (compatible with Type R / Roloc style pads) lets you twist the old disc off and spin a new one on in literally seconds. Just a quick half-turn and you are locked in and ready to grind. The plastic button on the back centers the disc perfectly every time, so you don't get that annoying wobble that ruins your finish or shakes your hands to numbness.

Walter has formulated these discs with Zirconia Alumina, a grain that actually stays sharp as it breaks down. This means you aren't just rubbing the metal and generating heat; you are cutting it. This is crucial when working on stainless steel where heat buildup can cause warping or sugaring. Whether you are prepping a surface for a critical weld or knocking down a tack, this disc gives you the aggressive control you need in the palm of your hand.

Why Welders Choose This Disc:

• Aggressive Cut: 36 grit Zirconia eats through metal quickly.
• Quick Changes: Twist-on/twist-off design saves frustration.
• Versatile: Works great on mild steel, stainless, and aluminum.
• Compact: Gets into the spots your angle grinder can't reach.