Thin-Profile Nylon-Insert Locknut
Zinc-Plated Low-Strength Steel, M8 x 1.25 mm Thread Size
Thread Direction | Right Hand |
Hex Nut Profile | Thin |
Locking Type | Nylon Insert |
Fastener Strength Rating | Low |
Finished Material | Zinc-Plated Steel |
Thread Size | M8 |
Thread Pitch | 1.25 mm |
Width | 13 mm |
Height | 6.8 mm |
Insert Maximum Temperature | 245° F |
Specifications Met | ISO 10511 |
Drive Style | External Hex |
Nut Type | Hex, Locknut |
Performance | Vibration Resistant |
System of Measurement | Metric |
Thread Fit | Metric Class 6H |
Thread Spacing | Coarse |
Thread Type | Metric |
Country of Origin | China, Germany |
DFARS Compliance | Specialty Metals COTS-Exempt |
Export Control Classification Number (ECCN) | EAR99 |
REACH Compliance | REACH (EC 1907/2006) (02/04/2026, 253 SVHC) Compliant |
RoHS Compliance | RoHS 3 (2015/863/EU) Compliant |
Schedule B Number | 731816.0000 |
U.S.–Mexico–Canada Agreement (USMCA) Qualifying | No |
About half the height of standard-profile locknuts, these fit in spaces with low clearance. You can also use them as jam nuts by threading them against a hex nut to hold it in place. The nylon insert grips the screw to prevent loosening from moderate vibration without damaging threads. However, the insert may become brittle if exposed to high temperatures. These locknuts are reusable a handful of times, but the holding power decreases with each use.
Low-Strength Steel—Rated Grade 2, Class 6, or lower, these locknuts are about half as strong as medium-strength steel nuts. Use them with screws that have a similar strength rating to avoid stripping threads during installation.
Zinc-Plated Steel—A step up from plain steel, the zinc plating withstands occasional exposure to moisture.
The information in this 3-D model is provided for reference only.