Electromechanical – Mouser Ireland

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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.

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Image	Part #	Mfr.	Description	Datasheet	Availability	Pricing (EUR) Filter the results in the table by unit price based on your quantity.	Qty.
Screws & Fasteners SCR PAN STL ST 3X12 PHIL SELF SEAL RM3X12MM-2701 APM HEXSEAL 1: €0.482 18,601On Order	Mfr. Part No. RM3X12MM-2701 Mouser Part No 608-RM3X12MM2701	APM HEXSEAL	Screws & Fasteners SCR PAN STL ST 3X12 PHIL SELF SEAL	Datasheet	18,601On Order On Order Ship Dates Mfr. No: RM3X12MM-2701 Stock: 0 On Order: 10,875 Expected 05/10/2026 7,726 Expected 26/10/2026 Factory Lead Time: 4 Weeks	€0.482 €0.447 €0.382 €0.359 View €0.333 €0.315 €0.299 €0.292	Min.: 1 Mult.: 1
Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R2-56X5/16 2701 APM HEXSEAL 1: €1.02 1,060On Order	Mfr. Part No. R2-56X5/16 2701 Mouser Part No 608-R2-56X5/16	APM HEXSEAL	Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	1,060On Order On Order Ship Dates Mfr. No: R2-56X5/16 2701 Stock: 0 On Order: 460 Expected 12/10/2026 600 Expected 21/10/2026 Factory Lead Time: 5 Weeks	€1.02 €0.802 €0.732 €0.648 View €0.607 €0.59 €0.574 €0.564 €0.553	Min.: 1 Mult.: 1
Screws & Fasteners 1/4-20X1" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw ST1/4-20X1 2701 APM HEXSEAL 1: €2.81 38Expected 05/10/2026	Mfr. Part No. ST1/4-20X1 2701 Mouser Part No 608-ST1/4-20X1	APM HEXSEAL	Screws & Fasteners 1/4-20X1" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	38Expected 05/10/2026	€2.81 €2.24 €1.75 €1.74 View €1.69 €1.65 €1.62 €1.58	Min.: 1 Mult.: 1
Screws & Fasteners 1/4"-20X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R1/4-20X7/8 2701 APM HEXSEAL 1: €1.87 1In Stock	Mfr. Part No. R1/4-20X7/8 2701 Mouser Part No 608-R1/4-20X7/8	APM HEXSEAL	Screws & Fasteners 1/4"-20X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	1In Stock	€1.87 €1.49 €1.26 €1.17 €0.81	Min.: 1 Mult.: 1
Screws & Fasteners Screw APM HEXSEAL SFR4-40X1/2-7601 SFR4-40X1/2-7601 APM HEXSEAL 1: €0.877 1,987Expected 14/12/2026	Mfr. Part No. SFR4-40X1/2-7601 Mouser Part No 608-SFR4-40X1/2-7601	APM HEXSEAL	Screws & Fasteners Screw		1,987Expected 14/12/2026	€0.877 €0.69 €0.544 €0.529 View €0.514 €0.501 €0.492 €0.482	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 1/2-13 THREAD 1/2-13 AJ 6 APM HEXSEAL 1: €4.27 Non-Stocked Lead-Time 10 Weeks	Mfr. Part No. 1/2-13 AJ 6 Mouser Part No 608-1/2-13AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 1/2-13 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked Lead-Time 10 Weeks	€4.27 €3.41 €2.82 €2.73 View €2.67 €2.63 €2.58 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 1/4-20 THREAD 1/4-20 AJ 6 APM HEXSEAL 1: €3.19 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. 1/4-20 AJ 6 Mouser Part No 608-1/4-20AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 1/4-20 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked Lead-Time 6 Weeks	€3.19 €2.99 €2.61 €2.48 View €2.32 €2.22 €2.13	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 1/4-28 THREAD 1/4-28 AJ 6 APM HEXSEAL 1: €4.31 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 1/4-28 AJ 6 Mouser Part No 608-1/4-28AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 1/4-28 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked Lead-Time 12 Weeks	€4.31 €3.46 €2.61 €2.60 View €2.55 €2.50 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 3/8-16 THREAD 3/8-16 AJ 6 APM HEXSEAL 1: €3.45 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. 3/8-16 AJ 6 Mouser Part No 608-3/8-16AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 3/8-16 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked Lead-Time 12 Weeks	€3.45 €3.24 €2.84 €2.69 View €2.52 €2.42 €2.31 €2.30	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 5/8-18 THREAD 5/8-18 AJ 6 APM HEXSEAL 25: €3.39 Non-Stocked Lead-Time 8 Weeks	Mfr. Part No. 5/8-18 AJ 6 Mouser Part No 608-5/8-18AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 5/8-18 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked Lead-Time 8 Weeks	€3.39 €3.38 €3.28 €3.21 View €3.15 €3.11	Min.: 25 Mult.: 25
Screws & Fasteners PANHEAD PHILLIPS 10- 24THDx.5'"sili-orin R10-24x1/2 2701 APM HEXSEAL 50: €0.741 Non-Stocked Lead-Time 6 Weeks	Mfr. Part No. R10-24x1/2 2701 Mouser Part No 608-R10-24X1/22701	APM HEXSEAL	Screws & Fasteners PANHEAD PHILLIPS 10- 24THDx.5'"sili-orin Learn More about APM HEXSEAL self sealing hardware	Datasheet	Non-Stocked Lead-Time 6 Weeks	€0.741 €0.683 €0.441	Min.: 50 Mult.: 50
Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw R6-32X5/16 2615 APM HEXSEAL 1: €0.886 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. R6-32X5/16 2615 Mouser Part No 608-R6-32X5/162615	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	€0.886 €0.691 €0.642 €0.544 View €0.517 €0.491 €0.467 €0.451 €0.433	Min.: 1 Mult.: 1
Screws & Fasteners 6-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R6-32X7/16 2701 APM HEXSEAL 1: €0.843 Non-Stocked Lead-Time 12 Weeks	Mfr. Part No. R6-32X7/16 2701 Mouser Part No 608-R6-32X7/16	APM HEXSEAL	Screws & Fasteners 6-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	Non-Stocked Lead-Time 12 Weeks	€0.843 €0.65 €0.489 €0.483 View €0.471 €0.458 €0.452 €0.441	Min.: 1 Mult.: 1
Screws & Fasteners ST1/4-20X1-1/2 2701 APM HEXSEAL 25: €1.26 Non-Stocked Lead-Time 4 Weeks	Mfr. Part No. ST1/4-20X1-1/2 2701 Mouser Part No 608-ST1/4-20X1-1/2	APM HEXSEAL	Screws & Fasteners Learn More about APM HEXSEAL self sealing hardware		Non-Stocked Lead-Time 4 Weeks	€1.26 €1.17 €1.09 €1.04 View €0.998 €0.963 €0.929	Min.: 25 Mult.: 25
Screws & Fasteners 3/8-16X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw ST3/8-16X3/4 2701 APM HEXSEAL 1: €3.64 Non-Stocked Lead-Time 3 Weeks	Mfr. Part No. ST3/8-16X3/4 2701 Mouser Part No 608-ST3/8-16X3/4	APM HEXSEAL	Screws & Fasteners 3/8-16X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	Non-Stocked Lead-Time 3 Weeks	€3.64 €3.00 €2.54 €2.38 €1.81	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 1/2-20 THREAD 1/2-20 AJ 6 APM HEXSEAL 1: €4.27 Non-Stocked	Mfr. Part No. 1/2-20 AJ 6 Mouser Part No 608-1/2-20AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 1/2-20 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€4.27 €3.41 €2.82 €2.73 View €2.67 €2.63 €2.58 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 10-24 THREAD 10-24 AJ 6 APM HEXSEAL 25: €2.36 Non-Stocked	Mfr. Part No. 10-24 AJ 6 Mouser Part No 608-10-24AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 10-24 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€2.36 €2.29 €2.24 €2.18 View €2.13 €2.10	Min.: 25 Mult.: 25
Screws & Fasteners SEELNUTS 3/8-24 THREAD 3/8-24 AJ 6 APM HEXSEAL 25: €2.77 Non-Stocked	Mfr. Part No. 3/8-24 AJ 6 Mouser Part No 608-3/8-24AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 3/8-24 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€2.77 €2.76 €2.67 €2.62 View €2.57 €2.53 Quote	Min.: 25 Mult.: 25
Screws & Fasteners SEELNUTS 5/16-18 THREAD 5/16-18 AJ 6 APM HEXSEAL 1: €3.90 Non-Stocked	Mfr. Part No. 5/16-18 AJ 6 Mouser Part No 608-5/16-18AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 5/16-18 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€3.90 €3.13 €2.61 €2.60 View €2.50 €2.46 €2.42 €2.37 €2.33	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 7/16-20 THREAD 7/16-20 AJ 6 APM HEXSEAL 25: €2.82 Non-Stocked	Mfr. Part No. 7/16-20 AJ 6 Mouser Part No 608-7/16-20AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 7/16-20 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€2.82 €2.73 €2.67 €2.63 View €2.58 Quote	Min.: 25 Mult.: 25
Screws & Fasteners SEELNUTS 8-32 THREAD 8-32 AJ 6 APM HEXSEAL 1: €2.89 Non-Stocked	Mfr. Part No. 8-32 AJ 6 Mouser Part No 608-8-32AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 8-32 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€2.89 €2.71 €2.37 €2.24 View €2.10 €2.00 €1.92 €1.90	Min.: 1 Mult.: 1
Screws & Fasteners R1/4-20X1-1/4 2701 APM HEXSEAL 50: €1.52 Non-Stocked	Mfr. Part No. R1/4-20X1-1/4 2701 Mouser Part No 608-R1/4-20X1-1/4	APM HEXSEAL	Screws & Fasteners Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€1.52 €1.43 €1.33 €1.26 View €1.23 €1.19 €1.14	Min.: 50 Mult.: 50
Screws & Fasteners 1/4"-20X1-1/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R1/4-20X1-1/8 2701 APM HEXSEAL 50: €2.82 Non-Stocked	Mfr. Part No. R1/4-20X1-1/8 2701 Mouser Part No 608-R1/4-20X1-1/8	APM HEXSEAL	Screws & Fasteners 1/4"-20X1-1/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€2.82 €2.65 €2.49 €2.40 View €2.32 €2.24 €2.16	Min.: 50 Mult.: 50
Screws & Fasteners 1/4"-20X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R1/4-20X7/16 2701 APM HEXSEAL 1: €1.20 Non-Stocked	Mfr. Part No. R1/4-20X7/16 2701 Mouser Part No 608-R1/4-20X7/16	APM HEXSEAL	Screws & Fasteners 1/4"-20X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€1.20 €1.02 €0.955 €0.903 View €0.845 €0.803 €0.766 €0.761 €0.749	Min.: 1 Mult.: 1
Screws & Fasteners 1/4"-20X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R1/4-20X9/16 2701 APM HEXSEAL 1: €5.03 Non-Stocked	Mfr. Part No. R1/4-20X9/16 2701 Mouser Part No 608-R1/4-20X9/16	APM HEXSEAL	Screws & Fasteners 1/4"-20X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	€5.03 €4.05 €3.94 €3.35 View €3.16 €3.02 €2.90 €2.83	Min.: 1 Mult.: 1

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