Contact Apex Fasteners

APEX offers full-service design, engineering and manufacturing to your specifications. Our custom fasteners have enjoyed great success supplying all types and sizes of businesses in most sectors of industry.
Contact Apex Fasteners with your hardware requirements

Authorized Distributor for:

Product 2/18

 Previous 
 Return to the Product List 
 Next 

Fir-Tree Thread Type Locknut, Metric

Fir-Tree Thread Type

Fir-TreeThreadType.png
Style AC

StyleAC.png
Style DO

StyleDO.png
Style DS

StyleDS.png
Style RF

StyleRF.png

Basic Part Numbers
Nom.Dia. mm Pitch mm Hex-W mm Flange Dia.-D mm Height-H mm Material Thickness mm Tightening Torque *Nm Clamping Force *N
AC051611
 5
 1.6
 11
 -
 9.45
 0.46
 2.25
 1560
DO051614
 5
 1.6
 10
 14
 6.40
 0.46
 4.50
 1110
DO051619
 5
 1.6
 10
 19
 7.35
 0.46
 6.80
 1110
DS051614
 5
 1.6
 10
 14
 10.7
 0.43
 4.50
 1110
RF051611
 5
 1.6
 11
 -
 3.05
 0.43
 2.25
 1560

*N - Newtons = 9.8 Kgm  *Nm - Newton meters = 980 Kgm-Cm

Palnut metric fasteners

Fir-Tree Thread Type Locknuts

Product 2/18

 Previous 
 Return to the Product List 
 Next 
APEX FASTENERS, Inc - 15858 Business Center Drive - Irwindale, CA 91706 USA
APEX Fasteners supplies standard and custom screws, nut retainers, shoulder screws, plastites and taptites, all types of rivets, spring steel fasteners and special stampings, sems screws in standard, fractional or metric to electronics, aviation and other OEM industries worldwide. ApexFasteners.com custom manufactures screw machine components for electronic enclosure hardware as well as cold forming and cold headed specials for assembly and production requirements.
Tel: (626) 962-2219 - info@apexfasteners.com
Copyright © 2025 Apex Fasteners. Designed by Pope Productions