Electromechanical – Mouser Canada

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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 (CAD) Filter the results in the table by unit price based on your quantity.	Qty.
Screws & Fasteners SEELNUTS 8-32 THREAD 8-32 AJ 6 APM HEXSEAL 1: $4.84 92Expected 2026-11-06	Mfr. Part # 8-32 AJ 6 Mouser Part # 608-8-32AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 8-32 THREAD Learn More about APM HEXSEAL self sealing hardware		92Expected 2026-11-06	$4.84 $4.54 $3.96 $3.76 View $3.51 $3.36 $3.21 $3.18	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW STD PH REC 1/4-20 THD 1" LG R1/4-20X1 APM HEXSEAL 1: $3.31 25In Stock	Mfr. Part # R1/4-20X1 Mouser Part # 608-R1/4-20X1	APM HEXSEAL	Screws & Fasteners SEELSKREW STD PH REC 1/4-20 THD 1" LG Learn More about APM HEXSEAL self sealing hardware		25In Stock	$3.31 $2.64 $2.22 $2.07 View $1.93 $1.84 $1.77 $1.71 $1.64	Min.: 1 Mult.: 1
Screws & Fasteners 6-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R6-32X7/8 2701 APM HEXSEAL 1: $1.20 249Expected 2026-11-13	Mfr. Part # R6-32X7/8 2701 Mouser Part # 608-R6-32X7/8	APM HEXSEAL	Screws & Fasteners 6-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware		249Expected 2026-11-13	$1.20 $1.02 $0.953 $0.897 View $0.834 $0.791 $0.752 $0.737	Min.: 1 Mult.: 1
Screws & Fasteners Screws and Fasteners SFR8-32x1/2-2701 APM HEXSEAL 1: $1.44 234Expected 2026-11-06	Mfr. Part # SFR8-32x1/2-2701 Mouser Part # 608-SFR832X1/22701	APM HEXSEAL	Screws & Fasteners Screws and Fasteners		234Expected 2026-11-06	$1.44 $1.15 $0.979 $0.903 View $0.746 $0.621	Min.: 1 Mult.: 1
Screws & Fasteners 8-32X1/4", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw APM HEXSEAL S8-32X1/4 2701 S8-32X1/4 2701 APM HEXSEAL 1: $1.01 72Expected 2026-11-09	Mfr. Part # S8-32X1/4 2701 Mouser Part # 608-S8-32X1/42701	APM HEXSEAL	Screws & Fasteners 8-32X1/4", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw		72Expected 2026-11-09	$1.01 $0.778 $0.66 $0.624 View $0.577 $0.547 $0.52 $0.504 $0.444	Min.: 1 Mult.: 1
Screws & Fasteners Screw APM HEXSEAL SFR4-40X1/2-7601 SFR4-40X1/2-7601 APM HEXSEAL 1: $1.47 1,987Expected 2026-12-14	Mfr. Part # SFR4-40X1/2-7601 Mouser Part # 608-SFR4-40X1/2-7601	APM HEXSEAL	Screws & Fasteners Screw		1,987Expected 2026-12-14	$1.47 $1.15 $0.91 $0.886 View $0.861 $0.84 $0.824 $0.808	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 1/2-13 THREAD 1/2-13 AJ 6 APM HEXSEAL 1: $7.14 Non-Stocked Lead-Time 10 Weeks	Mfr. Part # 1/2-13 AJ 6 Mouser Part # 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	$7.14 $5.72 $4.72 $4.56 View $4.48 $4.41 $4.32 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 1/4-28 THREAD 1/4-28 AJ 6 APM HEXSEAL 1: $7.21 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # 1/4-28 AJ 6 Mouser Part # 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	$7.21 $5.79 $4.36 $4.35 View $4.26 $4.19 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 3/8-16 THREAD 3/8-16 AJ 6 APM HEXSEAL 1: $5.77 Non-Stocked Lead-Time 12 Weeks	Mfr. Part # 3/8-16 AJ 6 Mouser Part # 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	$5.77 $5.43 $4.75 $4.51 View $4.22 $4.05 $3.87 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 5/8-18 THREAD 5/8-18 AJ 6 APM HEXSEAL 25: $5.67 Non-Stocked Lead-Time 8 Weeks	Mfr. Part # 5/8-18 AJ 6 Mouser Part # 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	$5.67 $5.66 $5.47 $5.34 View $5.23 $5.16	Min.: 25 Mult.: 25
Screws & Fasteners PANHEAD PHILLIPS 10- 24THDx.5'"sili-orin R10-24x1/2 2701 APM HEXSEAL 50: $1.24 Non-Stocked Lead-Time 6 Weeks	Mfr. Part # R10-24x1/2 2701 Mouser Part # 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	$1.24 $1.14 $0.739	Min.: 50 Mult.: 50
Screws & Fasteners 2-562X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R2-56X1/2 2701 APM HEXSEAL 50: $1.40 Non-Stocked Lead-Time 3 Weeks	Mfr. Part # R2-56X1/2 2701 Mouser Part # 608-R2-56X1/2	APM HEXSEAL	Screws & Fasteners 2-562X1/2", 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 3 Weeks	$1.40 $1.29 $1.00 $0.995 $0.994	Min.: 50 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: $1.41 Non-Stocked Lead-Time 2 Weeks	Mfr. Part # R6-32X7/16 2701 Mouser Part # 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 2 Weeks	$1.41 $1.09 $0.819 $0.809 View $0.789 $0.768 $0.756 $0.739	Min.: 1 Mult.: 1
Screws & Fasteners ST1/4-20X1-1/2 2701 APM HEXSEAL 25: $2.10 Non-Stocked Lead-Time 4 Weeks	Mfr. Part # ST1/4-20X1-1/2 2701 Mouser Part # 608-ST1/4-20X1-1/2	APM HEXSEAL	Screws & Fasteners Learn More about APM HEXSEAL self sealing hardware		Non-Stocked Lead-Time 4 Weeks	$2.10 $1.96 $1.83 $1.74 View $1.67 $1.61 $1.56	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: $6.09 Non-Stocked Lead-Time 3 Weeks	Mfr. Part # ST3/8-16X3/4 2701 Mouser Part # 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	$6.09 $5.03 $4.25 $3.99 $3.02	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 1/2-20 THREAD 1/2-20 AJ 6 APM HEXSEAL 1: $7.14 Non-Stocked	Mfr. Part # 1/2-20 AJ 6 Mouser Part # 608-1/2-20AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 1/2-20 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	$7.14 $5.72 $4.72 $4.56 View $4.48 $4.41 $4.32 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 10-24 THREAD 10-24 AJ 6 APM HEXSEAL 25: $3.95 Non-Stocked	Mfr. Part # 10-24 AJ 6 Mouser Part # 608-10-24AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 10-24 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	$3.95 $3.83 $3.74 $3.66 View $3.57 Quote	Min.: 25 Mult.: 25
Screws & Fasteners SEELNUTS 3/8-24 THREAD 3/8-24 AJ 6 APM HEXSEAL 25: $4.64 Non-Stocked	Mfr. Part # 3/8-24 AJ 6 Mouser Part # 608-3/8-24AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 3/8-24 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	$4.64 $4.62 $4.46 $4.39 View $4.31 $4.23 Quote	Min.: 25 Mult.: 25
Screws & Fasteners SEELNUTS 5/16-18 THREAD 5/16-18 AJ 6 APM HEXSEAL 1: $6.54 Non-Stocked	Mfr. Part # 5/16-18 AJ 6 Mouser Part # 608-5/16-18AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 5/16-18 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	$6.54 $5.24 $4.36 $4.35 View $4.19 $4.12 $4.05 $3.97 Quote	Min.: 1 Mult.: 1
Screws & Fasteners SEELNUTS 7/16-20 THREAD 7/16-20 AJ 6 APM HEXSEAL 25: $4.72 Non-Stocked	Mfr. Part # 7/16-20 AJ 6 Mouser Part # 608-7/16-20AJ6	APM HEXSEAL	Screws & Fasteners SEELNUTS 7/16-20 THREAD Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	$4.72 $4.56 $4.48 $4.41 View $4.32 Quote	Min.: 25 Mult.: 25
Screws & Fasteners R1/4-20X1-1/4 2701 APM HEXSEAL 50: $2.55 Non-Stocked	Mfr. Part # R1/4-20X1-1/4 2701 Mouser Part # 608-R1/4-20X1-1/4	APM HEXSEAL	Screws & Fasteners Learn More about APM HEXSEAL self sealing hardware		Non-Stocked	$2.55 $2.39 $2.23 $2.12 View $2.06 $1.99 $1.92	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: $4.72 Non-Stocked	Mfr. Part # R1/4-20X1-1/8 2701 Mouser Part # 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	$4.72 $4.44 $4.16 $4.02 View $3.89 $3.76 Quote	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: $2.00 Non-Stocked	Mfr. Part # R1/4-20X7/16 2701 Mouser Part # 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	$2.00 $1.71 $1.60 $1.51 View $1.41 $1.34 $1.28 $1.27 $1.25	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 50: $2.10 Non-Stocked	Mfr. Part # R1/4-20X7/8 2701 Mouser Part # 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	Non-Stocked	$2.10 $1.96 $1.36	Min.: 50 Mult.: 50
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: $8.42 Non-Stocked	Mfr. Part # R1/4-20X9/16 2701 Mouser Part # 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	$8.42 $6.78 $6.60 $5.60 View $5.28 $5.05 $4.85 $4.74	Min.: 1 Mult.: 1

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Self-Sealing Hardware

Types of Electromechanical