18-8 Stainless Steel Locknut with External-Tooth Lock Washer

Description Hex Nut Profile Narrow Locking Type Lock Washer Thread Direction Right Hand Washer Type External-Tooth Lock Finished Material 18-8 Stainless Steel Thread Size 6-32 Width 1/4“ Height 3/32“ Washer OD 0.344″ Material 400 Series Stainless Steel Drive Style External Hex Nut Type Hex, Locknut Performance Vibration Resistant, Corrosion Resistant System of Measurement Inch Thread Fit Unified Standard Class 2B Thread Spacing Coarse Thread Type UNC Country of Origin Taiwan, Thailand DFARS Compliance Not Specialty Metals Compliant ECCN EAR99 REACH Compliance REACH (EC 1907/2006) (01/23/2024, 240 SVHC) Compliant RoHS Compliance RoHS 3 (2015/863/EU) Compliant Schedule B Number 731816.0000 USMCA Qualifying No Since they’re about 20% narrower, these locknuts fit in tight spaces where standard-profile nuts won’t fit. They combine a hex nut with a free-spinning lock washer, so you can twist them into place by hand and save on assembly time. Once the nut is against your material surface, tighten it down with a wrench or socket to get the teeth to bite. Although these nuts install more quickly than nylon-insert locknuts, they don’t hold up as well against vibration and can mar your material. As long as the washer stays intact, you can reuse them. Also known as Keps and K-lock nuts. 18–8 Stainless Steel—The choice for wet and outdoor environments, these locknuts resist rust. However, they won’t hold up to the harsh chemicals that 316 stainless steel can.