Serrated Ribbed Washers for Solar Panel Mounting, SPC-F-W308

Product Description:

Serrated ribbed washers have radial serrations on both concave and convex sides which help tighten screws and bolts safely.

Conical and slightly cupped shape with spring-like washer brings extra gripping power.

This design can replace one piece of flat washer and one piece of spring washer.

This conical serrated washers for solar panel installation have greater loosening prevention in vibration.

Our AET serrated washer for PV module with radius selection, there is no scratching on surface during tightening than normal spring washer.

The sizes of M8 Serrated Ribbed Washers for solar mounting are:

(1) Fits for M8 Bolt & Screws;
(2) Inner Diameter d1: Φ9mm [Φ0.35″];
(2) Outside Diameter d2: Φ17.7mm [Φ0.7″];
(3) Thickness of lock washer h:2.0mm [0.08″];

Features of this serrated washer for PV installation:

1. Well prevent loosen by vibration;
2. Use with hex / hex socket / machine screws;
3. Disc circular cone spring washers with serrations on both sides;
4. Good chemical resistance with stainless steel in material.
(Mildly magnetic feature is accredited for A2-70);
5. M8 Stainless Steel Ribbed Washer with good tension supports;
6. Eliminate bending fasteners with concentric force of this serrated washer design;

More PV module serrated washer sizes correspond for hex socket head bolts and screws are available from SPC solar too from M3 to M30.