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: 151
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Description Datasheet Availability Pricing (EUR) 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 SEELSKREW FH REC 4-40 THD 5/16 4 295In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 5/16 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners 2-562X3/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 376In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 2-56 3/16 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw
Datasheet
6 175In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 5/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 71In Stock
2 850Expected 21/08/2026
Min.: 1
Mult.: 1

M2.5 6 mm
APM HEXSEAL Screws & Fasteners 2-562X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
347In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 2-56 3/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 100In Stock
Min.: 1
Mult.: 1

Screws Screw 8-32 3/8 in Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM 438In Stock
Min.: 1
Mult.: 1

Screws Self Sealing M3 20 mm Stainless Steel Passivated Slotted
APM HEXSEAL Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
60In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 2-56 5/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM 1 618In Stock
Min.: 1
Mult.: 1

Screws Self Sealing M3 6 mm Stainless Steel Passivated Slotted
APM HEXSEAL Screws & Fasteners SEELSKREW STD PH REC 1/4-20 THD 1" LG 25In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 1 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 10-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
25In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 10-32 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SCR PAN STL sT m3X25 PHIL SELF SEAL 260In Stock
Min.: 1
Mult.: 1

Screws Screw M3 25 mm Steel Phillips
APM HEXSEAL Screws & Fasteners 264In Stock
300Expected 21/08/2026
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 3/8 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM 169In Stock
Min.: 1
Mult.: 1

Screws Self Sealing Slotted
APM HEXSEAL Screws & Fasteners 1 777In Stock
3 350Expected 21/08/2026
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 3/8 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners Screws and Fasteners 298In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 1/2 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM 1 102In Stock
Min.: 1
Mult.: 1

Screws Self Sealing M3 12 mm Stainless Steel Passivated Slotted
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

Screws Self Sealing 10-24 5/8 in Stainless Steel Passivated Phillips
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

Screws Self Sealing 4-40 9/16 in Stainless Steel Passivated Phillips
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

Screws Self Sealing 10-24 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 2-562X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 16In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 2-56 1 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING 54In Stock
Min.: 1
Mult.: 1

O-Rings
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

Screws Self Sealing 10-24 9/16 in Stainless Steel Passivated Phillips
APM HEXSEAL SFR4-40X1/2-7601
APM HEXSEAL Screws & Fasteners Screw 32In Stock
600Expected 18/08/2026
Min.: 1
Mult.: 1

Screws
APM HEXSEAL RM2.5X10MM 2701
APM HEXSEAL Screws & Fasteners 2.5 x 10mm SeelSkrew 256In Stock
Min.: 1
Mult.: 1

M2.5 10 mm