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Product Search - Lock Washers / 5850, 5851: Helical Spring Lock Washer

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Helical Lock Washer, Helical Spring Lock Washer, Split Lock Washer

Helical spring lock washers are the most commonly used part to prevent assembly components from loosening. They apply greater bolt tension per unit of applied torque, and provide protection against loosening resulting from vibration and corrosion.

Use our Quick Search below to source spring steel helical spring lock washers and stainless steel 316 helical spring lock washers from our wide selection of options.

Available Materials: Spring Steel, Stainless Steel 316

Customary Finishes: Black Oxide (BO), Cadmium Type I & II (C1 & 2), Nickel (N), Passivate (P), Tin Dip (T2), Zinc Type II & III (Z2 & Z3) (other finishes also available)

Not all available materials or finishes are listed in our catalog for every part number. If you require a different material, finish or size, please submit a quote.

If you need additional information on your particular helical spring lock washer application click on one of the links below:
     View our material & finish specification sheets
     View metallic material characteristic information
     View finish characteristic information

Did you know?Seastrom has extensive custom capabilities in Precision Stamping, CNC Machining, Multi-Spindle Screw Machining, Four-Slide, Water Jet & Laser Part Marking to meet all your requirements. Products can be manufactured in most metallic and non-metallic materials, even hard to find materials. Ask us today!

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Dimensions in Inches

Product Number	A (ID) Min.	A (ID) Max.	B (OD) Max	W Min	T Min	T Max	Screw Size	Finish	Material	Stock	Leadtime	Get Pricing
5850-9-Z3	0.088	0.094	0.172	0.035	0.020	0.026	2	Zinc Type III or V	Spring Steel	127280	In Stock - Ready To Ship!	Price
5850-11-BO	0.114	0.120	0.209	0.040	0.025	0.031	4	Black Oxide	Spring Steel	2069	In Stock - Ready To Ship!	Price
5850-11-Z3	0.114	0.120	0.209	0.040	0.025	0.031	4	Zinc Type III or V	Spring Steel	146254	In Stock - Ready To Ship!	Price
5850-13	0.141	0.148	0.250	0.047	0.031	0.037	6		Spring Steel	86468	In Stock - Ready To Ship!	Price
5850-13-Z3	0.141	0.148	0.250	0.047	0.031	0.037	6	Zinc Type III or V	Spring Steel	35	In Stock - Ready To Ship!	Price
5850-15-Z3	0.167	0.174	0.293	0.055	0.040	0.046	8	Zinc Type III or V	Spring Steel	57283	In Stock - Ready To Ship!	Price
5851-9	0.167	0.174	0.293	0.055	0.040	0.046	8		Stainless Steel 316	143258	In Stock - Ready To Ship!	Price
5851-11	0.193	0.200	0.334	0.062	0.047	0.053	10		Stainless Steel 316	2556	In Stock - Ready To Ship!	Price
5850-19-Z2	0.252	0.260	0.487	0.109	0.062	0.072	1/4	Zinc Type II or VI	Spring Steel	16	In Stock - Ready To Ship!	Price
5850-20	0.314	0.322	0.583	0.125	0.078	0.088	5/16		Spring Steel	7500	In Stock - Ready To Ship!	Price
5851-21	0.502	0.512	0.869	0.171	0.125	0.135	1/2		Stainless Steel 316	4843	In Stock - Ready To Ship!	Price
5850-24	0.564	0.574	0.965	0.188	0.141	0.151	9/16		Spring Steel	2285	In Stock - Ready To Ship!	Price
5850-25	0.628	0.640	1.072	0.203	0.156	0.166	5/8		Spring Steel	1370	In Stock - Ready To Ship!	Price
5850-26	0.753	0.765	1.264	0.234	0.188	0.198	3/4		Spring Steel	4739	In Stock - Ready To Ship!	Price

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