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
Change category view
Results: 184
Select Image Part #
 Mfr.
Description Datasheet Availability Pricing (IDR) Filter the results in the table by unit price based on your quantity.
Qty. RoHS
APM HEXSEAL Screws & Fasteners 2-562X3/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 526In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 4-40X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
3.360In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 20In Stock
200Expected 15/07/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 812In Stock
2.500Expected 10/07/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners Screws and Fasteners 308In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM 647In Stock
1.000Expected 22/07/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw
Datasheet
2.395In Stock
3.900Expected 20/07/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 2-562X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
467In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 100In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
188In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 2.105In Stock
3.650Expected 06/07/2026
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 189In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM 209In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 10-24X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
27In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 2-562X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 26In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING 94In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 1/4-20X1" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw
Datasheet
27In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 301In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 10-24X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 40In Stock
Min.: 1
Mult.: 1

APM HEXSEAL Screws & Fasteners 10-24X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
12In Stock
Min.: 1
Mult.: 1

APM HEXSEAL SFR4-40X1/2-7601
APM HEXSEAL Screws & Fasteners Screw 142In Stock
500Expected 08/07/2026
Min.: 1
Mult.: 1

APM HEXSEAL RM2.5X12MM 2701
APM HEXSEAL Screws & Fasteners 2.5 x 12mm SeelSkrew 25In Stock
Min.: 1
Mult.: 1

APM HEXSEAL S8-32X1/4 2701
APM HEXSEAL Screws & Fasteners 8-32X1/4", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 471In Stock
Min.: 1
Mult.: 1

APM HEXSEAL SFR8-32x1-2701
APM HEXSEAL Screws & Fasteners 1" SS 8-32 PHILIPS SCREW 25In Stock
Min.: 1
Mult.: 1

APM HEXSEAL R4-40X1/2 2615
APM HEXSEAL Screws & Fasteners SeelSkrew Screw 1/2" Thread Size 4-40 250In Stock
Min.: 1
Mult.: 1