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
Select Image Part #
 Mfr.
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 8-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
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
Datasheet
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
Datasheet
111In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 7/16 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
Datasheet
758In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners SEELSKREW MT PH REC M4 X 0.7 THD 20MM LG
Datasheet
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 310In Stock
2 150Expected 01/09/2026
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
Datasheet
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
Datasheet
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
Datasheet
30In Stock
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 5/8 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
Datasheet
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 M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
5 951On Order
Min.: 1
Mult.: 1

M2.5 6 mm
APM HEXSEAL Screws & Fasteners
4 299On 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
Datasheet
1In Stock
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
Datasheet
375Expected 31/08/2026
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
Datasheet
160On Order
Min.: 1
Mult.: 1

Screws Self Sealing 2-56 5/16 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
293Expected 31/08/2026
Min.: 1
Mult.: 1

Screws Self Sealing 4-40 7/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners
90Expected 07/09/2026
Min.: 1
Mult.: 1
Screws Self Sealing 8-32 3/16 in Stainless Steel Phillips
APM HEXSEAL Screws & Fasteners 8-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw
Datasheet
69Expected 02/10/2026
Min.: 1
Mult.: 1

Screws Self Sealing 8-32 3/8 in Stainless Steel Passivated Phillips
APM HEXSEAL Screws & Fasteners
276On Order
Min.: 1
Mult.: 1

Screws Self Sealing 6-32 1/4 in Stainless Steel Passivated Slotted