Self-Sealing Hardware

APM HEXSEAL Self-Sealing Hardware features fasteners and washers, including SEELSKREWS®, SEELBOLTS®, SEELNUTS®, and SEELOC® WASHERS. This reusable hardware offers positive sealing under pressure or vacuum and resists loosening due to vibration. Optional O-ring seal materials assure performance with a wide variety of gasses and liquids. APM HEXSEAL Self-Sealing Hardware is easy to install, compatible with all surface finishes, and tested and listed to UL Standard 50, Types 1-13.

Results: 152
Select Image Part # Mfr. Description Datasheet Availability Pricing (JPY) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Product Type Thread Size Length Material Plating Screw Head
APM HEXSEAL Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 703In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 5/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 6-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 854In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 5/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 6-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 27In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 1,241In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 1/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 102In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 3/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 136In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 5/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 111In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 7/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH REC M4 X 0.7 THD 20MM LG 1,141In Stock
Min.: 1
Mult.: 1

Screws Self Sealing M4 20 mm Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR 2,460In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 1/4 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners SEELNUTS 5/16-24 THREAD 15In Stock
Min.: 1
Mult.: 1

Nuts Self Sealing 5/16-24 17/64 in Steel Zinc
APM HEXSEAL Screws & Fasteners 1/4"-20X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 65In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 5/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 3In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 10-32 1 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 296In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 10-32 3/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 30In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 5/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 758In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X5/8", Phillips Flat Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 29In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 5/8 in Stainless Steel Phillips
APM HEXSEAL S4-40X1/2 2701
APM HEXSEAL Screws & Fasteners 4-40X1/2", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 82In Stock
Min.: 1
Mult.: 1

Screws
APM HEXSEAL Screws & Fasteners 10-24X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 87In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 10-24 7/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW 6-32 X 5/8 WITH VITON O-RING 4In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 5/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG
10,970On Order
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 3/16 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners
4,081On Order
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 3/8 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners 1/4"-20X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
41Expected 10/2/2026
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 1/2 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 10-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
375Expected 9/21/2026
Min.: 1
Mult.: 1

Screws Self Sealing 10-32 5/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
160On Order
Min.: 1
Mult.: 1

Screws Self Sealing 2-56 5/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners
90Expected 9/11/2026
Min.: 1
Mult.: 1
Screws Self Sealing 8-32 3/16 in Stainless Steel Phillips