Online Parts Store › Nylon Insert Locknut - Stainless 8-32 Image 1 of 1 Nylon Insert Locknut - Stainless 8-32 $24.06 18-8 Stainless Steel. Add To Cart Added! 18-8 Stainless Steel. You Might Also Like Phillips Tapping Screw - Pan Head, #10 x 1-1/4" $32.56 Flat Washer, #4, .032" Thick, OD 5/16" $6.74 Phillips Tapping Screw - Truss Head #8 x 1-1/2" $63.30 Stainless External Tooth Lock Washer 3/8" $34.20 Nylon Flat Washer 5/16", 0.62" Thick, OD 7/8" $37.54