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.

Types of Electromechanical
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Results: 153
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Description Datasheet Availability Pricing (EUR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
APM HEXSEAL Screws & Fasteners 8-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
69Expected 21/10/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 1/4-20X1" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw
Datasheet
36Expected 28/08/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 1/4"-20X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
1In Stock
Min.: 1
Mult.: 1

APM HEXSEAL RM2.5X12MM 2701
APM HEXSEAL Screws & Fasteners 2.5 x 12mm SeelSkrew
94Expected 02/09/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 1/2-13 THREAD Non-Stocked Lead-Time 10 Weeks
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 1/4-20 THREAD Non-Stocked Lead-Time 6 Weeks
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 1/4-28 THREAD Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 3/8-16 THREAD Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 5/8-18 THREAD Non-Stocked Lead-Time 8 Weeks
Min.: 25
Mult.: 25

APM HEXSEAL Screws & Fasteners 1/4"-20X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
41Expected 02/10/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw Non-Stocked Lead-Time 4 Weeks
Min.: 1
Mult.: 1
APM HEXSEAL Screws & Fasteners 6-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
Non-Stocked Lead-Time 12 Weeks
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners Non-Stocked Lead-Time 4 Weeks
Min.: 25
Mult.: 25

APM HEXSEAL Screws & Fasteners 3/8-16X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw
Datasheet
Non-Stocked Lead-Time 3 Weeks
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 1/2-20 THREAD Non-Stocked
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 10-24 THREAD Non-Stocked
Min.: 25
Mult.: 25

APM HEXSEAL Screws & Fasteners SEELNUTS 3/8-24 THREAD Non-Stocked
Min.: 25
Mult.: 25

APM HEXSEAL Screws & Fasteners SEELNUTS 5/16-18 THREAD Non-Stocked
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELNUTS 7/16-20 THREAD Non-Stocked
Min.: 25
Mult.: 25

APM HEXSEAL Screws & Fasteners SEELNUTS 8-32 THREAD Non-Stocked
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners Non-Stocked
Min.: 50
Mult.: 50

APM HEXSEAL Screws & Fasteners 1/4"-20X1-1/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Non-Stocked
Min.: 50
Mult.: 50

APM HEXSEAL Screws & Fasteners 1/4"-20X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Non-Stocked
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 1/4"-20X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Non-Stocked
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 10-24X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
Non-Stocked
Min.: 50
Mult.: 1