BURNDY Master Catalog (20190422)

Accessories

DURIUM™ Silicon Bronze Nuts and Washers

DURIUM™ Nuts Silicon Bronze

Catalog Number 25CHENBOX 31CHENBOX 38CHENBOX 44CHENBOX 50CHENBOX 62CHENBOX 75CHENBOX 100CHENBOX

Thread Size

1/4-20 5/16-18 3/8-16 7/16-14 1/2-13 5/8-11 3/4-10

DURIUM™ hexagon regular nuts are non-magnetic and are made to American Standard dimensions. American National Coarse Series threads. #2 fit.

1-8

DURIUM™ Flat Washers Silicon Bronze

Nominal Dimensions in Inches A B

Catalog Number

For Bolt Size

25FWBOX 31FWBOX 38FWBOX 44FWBOX 50FWBOX 62FWBOX 75FWBOX

1/4

1/16 1/16 1/16 1/16 3/32 3/32 9/64

5/8

5/16

11/16 13/16 15/16 1-1/16 1-5/16 1-15/32

High strength DURIUM™ Flat Washers are non- magnetic and free from galvanic action when in contact with copper. Conforms to SAE standards.

3/8

7/16

1/2 5/8 3/4

DURIUM™ Split Lockwashers Silicon Bronze DURIUM™spring type lockwasher has high resiliency and exerts constant pressure on the face of the nut, preventing vibration from loosening the nut.

Catalog Number

For Bolt Size

25SWBOX 31SWBOX 38SWBOX 44SWBOX 50SWBOX 62SWBOX 75SWBOX

1/4

5/16

3/8

7/16

1/2 5/8 3/4

DURIUM™ Internal Lockwashers Silicon Bronze DURIUM™ Internal Tooth Lockwashers are available as illustrated. The teeth are twisted slightly and present biting edges which grip the nut and the part being clamped, preventing the nut from backing off.

Catalog Number

For Bolt Size

25NWBOX 31NWBOX 38NWBOX 44NWBOX 50NWBOX 62NWBOX 75NWBOX

1/4

5/16

3/8

7/16

1/2 5/8 3/4

1-800-387-6487 (Canada) 1-603-647-5299 (International)

F-7