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: 150
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Description Datasheet Availability Pricing (USD) 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 MT PH REC M3 X 0.5 THD 8MM LG
Datasheet
12,109In Stock
Min.: 1
Mult.: 1

Screws Self Sealing M3 8 mm Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SEELNUTS 10-32 THREAD 75In Stock
Min.: 1
Mult.: 1

Nuts Self Sealing 10-32 1/8 in
APM HEXSEAL Screws & Fasteners SEELNUTS 6-32 THREAD 224In Stock
Min.: 1
Mult.: 1

Nuts Self Sealing 6-32 7/64 in
APM HEXSEAL Screws & Fasteners 1/4"-20X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 185In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 3/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 1/4"-20X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
114In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 1/4-20 3/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 1/4"-20X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw 102In 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
Datasheet
790In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 10-32 3/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
936In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 10-32 3/8 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
Datasheet
250In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 10-32 5/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 4-40X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
884In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 1 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 4-40X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
203In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 3/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 4-40X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
726In Stock
1,500Expected 2026/03/20
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 3/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
449In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 5/16 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 4-40X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
373In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 5/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 4-40X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
245In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 6-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
76In Stock
150Expected 2026/03/03
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 1 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 6-32X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
456In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 0.5 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 6-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
849In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 1/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 6-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
1,858In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 3/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
377In 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
Datasheet
874In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 5/8 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
Datasheet
158In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 3/4 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners 8-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
674In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 3/8 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
Datasheet
206In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 5/16 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
Datasheet
90In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 5/8 in Stainless Steel Passivated Phillips