Shop Stauff SMK Test Points

Our Stauff Series SMK Test Point is a high-performance diagnostic coupling designed for fast and reliable monitoring, venting, and fluid sampling in both high- and low-pressure hydraulic systems. Engineered with precision to meet ISO 15171-2 standards, this test point allows secure connections even under pressure—up to 400 bar (5801 PSI)—and supports a maximum working pressure of 630 bar (9137 PSI). Ideal for maintenance and system control applications, it enables technicians to connect pressure gauges or diagnostic equipment without system shutdown. Available in G and K types, the SMK Test Point delivers superior sealing, easy accessibility, and long-lasting durability, making it essential for efficient hydraulic performance and safety.

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Test Coupling with Ball Check

NPT, ORB

Buna, Viton

Zinc/Nickel-plated Carbon Steel, 316 Stainless Steel

Click HERE to view the Stauff SMK Catalog

Click HERE to view the entire Test Point Collection

ORB Test Points

NPT Test Points

Viton Test Points


Shop Stauff SMK Test Points

Click on the model number in the chart below to view that item. 


Product SKU Model Code Port Size and Type Body Material Seal Material Lead Time Price
1210026029 SMK-20-1/4NPT-B-D-W3 1/4" NPT Carbon Steel Buna 4-6 Weeks $20.95
1210026030 SMK-20-1/4NPT-D-W3 1/4" NPT Carbon Steel Viton 4-6 Weeks $14.46
1210001534 SMK-20-1/4NPT-D-W5 1/4" NPT 316 Stainless Steel Viton 4-6 Weeks $191.74
1210026059 SMK-20-7/16UNF-B-E-W3 -4 (1/4") SAE Carbon Steel Buna Same Day $21.28
1210026061 SMK-20-7/16UNF-V-E-W3 -4 (1/4") SAE Carbon Steel Viton Same Day $20.95
1210026062 SMK-20-9/16UNF-BE-W3 -6 (3/8") SAE Carbon Steel Buna 4-6 Weeks $21.28
1210008791 SMK-20-9/16UNF-V-E-OL-W4 -6 (3/8") SAE 304 Stainless Steel Viton Same Day $81.09
1210002676 SMK20-7/16UNF-B-E-W5 -4 (1/4") SAE 316 Stainless Steel Buna Same Day $263.86
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Please see below for additional dimensional and installation details.



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