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:

Flowerette Knobs

flknob.jpg
knobdrw2.gif

Presses Onto Any Standard Socket Head Cap Screw
Material: Acetal

COLOR CODES MUST BE INCLUDED WITH THE PRODUCT NUMBER WHEN ORDERING.   
B - Black    RD - Red    WT - White   
BL - Blue    GR - Green

Product Number T
(+/- 0.031)
D
(+/-.031)
Fits Screw
PMFK014B
0.375
0.500
1/4
PMFK014BL 0.375 0.500 1/4
PMFK014GR 0.375 0.500 1/4
PMFK014RD 0.375 0.500 1/4
PMFK014WT 0.375 0.500 1/4
PMFK038B 0.375
0.703
3/8
PMFK038BL 0.375
0.703 3/8
PMFK038GR 0.375 0.703 3/8
PMFK038RD 0.375 0.703 3/8
PMFK038WT 0.375 0.703 3/8
PMFK516B 0.375 0.593
5/16
PMFK516BL 0.375 0.593 5/16
PMFK516GR 0.375 0.593 5/16
PMFK516RD 0.375 0.593 5/16
PMFK516WT 0.375 0.593 5/16



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