Product Description · Diameter (Nominal): 1/4" · Category: Helical Spring Lock Washers · System of Measurement: US Units · Brand: Aspen Fasteners® · Form and Design: 

Bolt head height 0.24" Half of head height (deflected) 0.120" 2 Assembled 1/8" plates 0.25" Total thickness of assembled plates 0.250" Helical washer thickness 0.10" Total thickness of

Description An external tooth lock washer with a conical shaped bearing surface. Applications/ Advantages Designed for use with flat or oval head screws with countersunk angles of 82° or 100°. Material SAE 1050 - 1065 or equivalent spring steel Hardness Rockwell C40 - 50 Plating See Appendix-A for information on the plating of steel lock washers.

Historically, helical spring lock washers have been among the most widely used anti-loosening assembly components on the market. Washer Helical Size Lock Washers (Inches) Regular Heavy 3/8 0.656 0.741 7/16 0.686 0.722 1/2 0.730 0.803 Figure 2. STANDARDS Apex Fastners helical spring lock washers qualify under the major standards requirements

Dimensions of Regular Helical Spring-Lock Washer Table ; 13/16 (0.8125), 0.832, 0.816, 1.363, 0.203 ; 7/8 (0.875), 0.894, 0.878, 1.459, 0.219 

Choose from our selection of helical spring lock washers, including split lock washers, metric split lock washers, and more. In stock and ready to ship.

Split lock washers have a split at one point along their outer diameter, which gives the nut a helical shape. This helical shape creates compression and 

Extra-Duty Helical Spring Lock Washers. Check up to five results to perform an action. larger image. Dimensions are in inches. Formerly designated Extra Heavy Helical Spring Lock Washers. Standard Stock Material. Carbon Steel. Stainless Steel.

Steel Washers, Helical Spring Lock . 1. Scope This standard applies to galvanized steel helical spring (split) lock washers. This standard applies to the following Seattle City Light (SCL) stock numbers: Stock No. Size (in) 788141 #6 788142 #8 788143 #10 584252 1/4 584253 5/16 584250 3/8 584255 1/2 584260 5/8 584265 3/4 2. Application

Nominal Washer Size Inside Diameter, A 5/⁄16 0.3125 0.322 0.314 3/⁄8 0.375 0.385 0.377 7/⁄16 0.4375 0.450 0.440 1/⁄2 0.500 0.512 0.502

Helical Spring Lock Washers | McMaster-Carr System of Measurement Inch Metric For Screw Size Material Stainless Steel Steel Bronze Aluminum Nickel Finish Zinc Plated Black