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Fluid Conveying
Tubing Products
Tube Fittings
Brass
SSP Duolok Brass Tube Fittings
Stainless Steel Duolok Tube Fitting, 0.25 Inch Tube OD To 1/4-18 Male NPT, Straight Bulkhead

Stainless Steel Duolok Tube Fitting, 0.25 Inch Tube OD To 1/4-18 Male NPT, Straight Bulkhead

A 2.10	Brand Ssp Fittings Corp	Brand SSP Fittings Corp	Pack Size 1.00	UOM EA	Hole Dia. 0.45	Max Panel Thickness 0.40	Supplier Part Number ISSD4BMC4	T 0.25	Thread 1 1/4-18	Alternate Part Numbers Alternate Part Number C1JB21	Product Weight 0.11 lbs

Product Questions & Answers

Will this fitting work with copper tubing like I use on my home hydraulic connections?

Question by: Judy G on Mar 15, 2026, 7:36 AM

These Duolok fittings are indeed suitable for use with copper tubing, making them versatile for different applications.

Answer by: Customer Support on Mar 16, 2026, 1:11 PM

Model Number	T	Thread 1	A	Max Panel Thickness	Hole Dia.	Price	Buy Now
ISSD4BMC4	0.25	1/4-18	2.1	0.4	0.45