FITS TUBING TRADE SIZE	PART NO.			DESCRIPTION	PART DIMENSIONS										CAD
					A Mounting Hole Dia.		B Overall Length		C Body Length		D		E
											Wrenching Nut
											Thickness		Flat Size
	Black	Black w/ Finishing Collar*	Gray		in.	mm.	in.	mm.	in.	mm.	in.	mm.	in.	mm.
Snap-In Hubs - For use with Heyco-Flex™ II Tubing
1/4	8515	-	8516	HFC 1/4-S-twist	.540	13,7	1.33	33,8	.34	8,7	.09	2,3	.75	19,0
3/8	8485	8485FC	8486	HFC 3/8-S-twist	.875	22,2	1.38	35,0	.39	9,9	.09	2,3	1.00	25,4
1/2	8490	8490FC	8491	HFC 1/2-S-twist
3/4	8495	8495FC	8496	HFC 3/4-S-twist	1.109	28,2	1.50	38,0	.39	9,9	.09	2,3	1.25	31,8
NPT Hubs - For use with Heyco-Flex™ I and II Conduit and Tubing
1/4	8517	-	8518	HFC 1/4-Twist	.540	13,7	1.56	39,6	.47	11,8	.20	5,1	.75	19,1
3/8	8487	8487FC	8488	HFC 3/8-Twist	.875	22,2	1.72	43,7	.63	15,9	.20	5,1	1.18	30,0
1/2	8493	8493FC	8494	HFC 1/2-Twist
3/4	8497	8497FC	8498	HFC 3/4-Twist	1.109	28,2	1.84	46,7	.63	15,9	.20	5,1	1.37	34,8

Standard colors black and gray.
*Collar not assembled.

• One-piece solution with smooth internal surfaces provides for easier wire routing, protection, and installation.
• Easy permanent assembly: the installer twists the tubing over the connector ferrule.
• Unique locking fingers accommodate various panel thicknesses.
• All nylon construction is resistant to salt water, weak acids, gasoline, alcohol, oil, grease, and common solvents. (This feature is not assessed by UL certification and testing.)
• Suitable for a wide array of electrical applications:
• Commercial and Industrial HVAC Systems
• Motorized Equipment
• Enclosed Power Sources
• Garage Door Openers
• Major Appliances
• Finishing collars available to neaten rough cut tubing ends.
• Assembly Tool available for assembling Quick Twist Fittings into HF1 and HF2 Conduit and Tubing.

Snap-in Hubs

• Snap-in Fittings are UL recognized for use with Heyco-Flex II Tubing.
• Suitable for dry location only.

NPT Hubs

• NPT threaded fittings are UL approved for use with Heyco-Flex I & II Conduit and Tubing.
• If using a tapped hole, Teflon® tape is needed onthethreads of the connector, for all other applications an O-ring and Locknut are needed to attain liquid tight.

• Locknuts not included. To order nylon or metal locknuts separately, See metal locknuts: NPT, PG, and Metric and Nylon locknuts: NPT, PG, and Metric.
• Click here for O-Rings.

QuickSpecs

Material		Nylon 6/6
Certifications		Recognized under the Component Program of Underwriters' Laboratories File E121095 (Snap-in Hubs)
		UL Listed under Underwriters' Laboratories File E28430
Flammability Rating		94V-2
Temperature Range		-22°F (-30°C) to 221°F (-105°C)