Electromechanical – Mouser Mexico

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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 (USD) Filter the results in the table by unit price based on your quantity.	Qty.
Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG R4-40X3/16 2701 APM HEXSEAL 1: $1.14 7,919In Stock	Mfr. Part # R4-40X3/16 2701 Mouser Part # 608-R4-40X3/162701	APM HEXSEAL	Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG		7,919In Stock	$1.14 $0.905 $0.767 $0.705 View $0.651 $0.618 $0.586 $0.569 $0.543	Min.: 1 Mult.: 1
Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw R4-40X5/16 2615 APM HEXSEAL 1: $1.29 6,150In Stock	Mfr. Part # R4-40X5/16 2615 Mouser Part # 608-R4-40X5/162615	APM HEXSEAL	Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	6,150In Stock	$1.29 $1.01 $0.922 $0.815 View $0.757 $0.718 $0.683 $0.66 $0.634	Min.: 1 Mult.: 1
Screws & Fasteners M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw RM2.5x6MM 2701 APM HEXSEAL 1: $1.30 5,626In Stock	Mfr. Part # RM2.5x6MM 2701 Mouser Part # 608-RM2.5X6MM2701	APM HEXSEAL	Screws & Fasteners M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw		5,626In Stock	$1.30 $1.01 $0.788 $0.757 View $0.718 $0.683 $0.66 $0.634	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 SFR4-40X5/16 2701 APM HEXSEAL 1: $1.14 4,245In Stock	Mfr. Part # SFR4-40X5/16 2701 Mouser Part # 608-SFR440X5162701	APM HEXSEAL	Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 Learn More about APM HEXSEAL self sealing hardware		4,245In Stock	$1.14 $0.878 $0.80 $0.705 View $0.683 $0.612 $0.598	Min.: 1 Mult.: 1
Screws & Fasteners 2-562X3/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R2-56X3/16 2701 APM HEXSEAL 1: $1.55 302In Stock	Mfr. Part # R2-56X3/16 2701 Mouser Part # 608-R2-56X3/162701	APM HEXSEAL	Screws & Fasteners 2-562X3/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw		302In Stock	$1.55 $1.21 $1.11 $0.979 View $0.95 $0.892 $0.868 $0.853 $0.836	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM SM3X20MM-2701 APM HEXSEAL 1: $1.34 283In Stock 550Expected 11/13/2026	Mfr. Part # SM3X20MM-2701 Mouser Part # 608-SM3X20MM-2701	APM HEXSEAL	Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM Learn More about APM HEXSEAL self sealing hardware		283In Stock 550Expected 11/13/2026	$1.34 $1.04 $0.811 $0.796 View $0.772 $0.753 $0.74 $0.725	Min.: 1 Mult.: 1
Screws & Fasteners 10-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R10-32X7/8 2701 APM HEXSEAL 1: $1.94 25In Stock	Mfr. Part # R10-32X7/8 2701 Mouser Part # 608-R10-32X7/8	APM HEXSEAL	Screws & Fasteners 10-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	25In Stock	$1.94 $1.56 $1.31 $1.22 $0.857	Min.: 1 Mult.: 1
Screws & Fasteners R8-32x3/16 2701 APM HEXSEAL 1: $1.29 90In Stock	Mfr. Part # R8-32x3/16 2701 Mouser Part # 608-R8-32X3/162701	APM HEXSEAL	Screws & Fasteners		90In Stock	$1.29 $1.00 $0.915 $0.806 View $0.746 $0.706 $0.671 $0.651 $0.621	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2615 APM HEXSEAL 1: $1.40 64In Stock 1,000Expected 10/30/2026	Mfr. Part # SFR4-40 x 3/8 2615 Mouser Part # 608-SFR4-40X382615	APM HEXSEAL	Screws & Fasteners		64In Stock 1,000Expected 10/30/2026	$1.40 $1.10 $1.00 $0.889 View $0.824 $0.783 $0.745 $0.719 $0.692	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM SM3X8MM-2701 APM HEXSEAL 1: $0.988 169In Stock	Mfr. Part # SM3X8MM-2701 Mouser Part # 608-SM3X8MM-2701	APM HEXSEAL	Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM		169In Stock	$0.988 $0.771 $0.703 $0.62 View $0.573 $0.543 $0.516 $0.501 $0.439	Min.: 1 Mult.: 1
Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R2-56X3/4 2701 APM HEXSEAL 1: $1.55 297In Stock	Mfr. Part # R2-56X3/4 2701 Mouser Part # 608-R2-56X3/4	APM HEXSEAL	Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware		297In Stock	$1.55 $1.21 $0.93 $0.918 View $0.892 $0.868 $0.853 $0.836	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: $1.55 1,060In Stock	Mfr. Part # R2-56X5/16 2701 Mouser Part # 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	1,060In Stock	$1.55 $1.21 $1.11 $0.979 View $0.918 $0.892 $0.868 $0.853 $0.836	Min.: 1 Mult.: 1
Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM SM3X6MM-2701 APM HEXSEAL 1: $0.988 1,758In Stock	Mfr. Part # SM3X6MM-2701 Mouser Part # 608-SM3X6MM-2701	APM HEXSEAL	Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM Learn More about APM HEXSEAL self sealing hardware		1,758In Stock	$0.988 $0.771 $0.703 $0.62 View $0.607 $0.542 $0.529	Min.: 1 Mult.: 1
Screws & Fasteners 2-562X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R2-56X3/8 2701 APM HEXSEAL 1: $1.55 297In Stock	Mfr. Part # R2-56X3/8 2701 Mouser Part # 608-R2-56X3/8	APM HEXSEAL	Screws & Fasteners 2-562X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	297In Stock	$1.55 $1.25 $1.06 $0.979 View $0.852 $0.71	Min.: 1 Mult.: 1
Screws & Fasteners SFR832X3/8 2701 APM HEXSEAL 1: $1.17 100In Stock	Mfr. Part # SFR832X3/8 2701 Mouser Part # 608-SFR832X3/8	APM HEXSEAL	Screws & Fasteners		100In Stock	$1.17 $0.911 $0.764 $0.746 View $0.716 $0.696 $0.679 $0.668 $0.65	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: $4.25 28In Stock	Mfr. Part # ST1/4-20X1 2701 Mouser Part # 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	28In Stock	$4.25 $3.39 $2.64 $2.63 View $2.55 $2.50 $2.44 $2.39	Min.: 1 Mult.: 1
Screws & Fasteners S/6-32X1/4 2701 APM HEXSEAL 1: $0.962 146In Stock	Mfr. Part # S/6-32X1/4 2701 Mouser Part # 608-S/6-32X1/4	APM HEXSEAL	Screws & Fasteners Learn More about APM HEXSEAL self sealing hardware		146In Stock	$0.962 $0.686 $0.625 $0.549 View $0.507 $0.493 $0.458 $0.446 $0.432	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2701 APM HEXSEAL 1: $0.949 4,132In Stock	Mfr. Part # SFR4-40 x 3/8 2701 Mouser Part # 608-SFR4-40X3-82701	APM HEXSEAL	Screws & Fasteners		4,132In Stock	$0.949 $0.736 $0.707 $0.55 $0.524	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM SM3X12MM-2701 APM HEXSEAL 1: $1.05 561In Stock 1,000Expected 11/13/2026	Mfr. Part # SM3X12MM-2701 Mouser Part # 608-SM3X12MM-2701	APM HEXSEAL	Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM Learn More about APM HEXSEAL self sealing hardware		561In Stock 1,000Expected 11/13/2026	$1.05 $0.943 $0.54 $0.524 $0.46	Min.: 1 Mult.: 1
Screws & Fasteners 4-40X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R4-40X9/16 2701 APM HEXSEAL 1: $1.27 3,230In Stock	Mfr. Part # R4-40X9/16 2701 Mouser Part # 608-R4-40X9/16	APM HEXSEAL	Screws & Fasteners 4-40X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	3,230In Stock	$1.27 $0.983 $0.818 $0.764 View $0.731 $0.692 $0.657 $0.637 $0.608	Min.: 1 Mult.: 1
Screws & Fasteners 10-24X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R10-24X7/8 2701 APM HEXSEAL 1: $1.94 27In Stock	Mfr. Part # R10-24X7/8 2701 Mouser Part # 608-R10-24X7/8	APM HEXSEAL	Screws & Fasteners 10-24X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	27In Stock	$1.94 $1.56 $1.31 $1.22 $0.857	Min.: 1 Mult.: 1
Screws & Fasteners 2-562X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R2-56X1 2701 APM HEXSEAL 1: $1.55 16In Stock	Mfr. Part # R2-56X1 2701 Mouser Part # 608-R2-56X1	APM HEXSEAL	Screws & Fasteners 2-562X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware		16In Stock	$1.55 $1.21 $0.93 $0.918 View $0.892 $0.868 $0.853 $0.836	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING SFR8-32X3/4-2701 APM HEXSEAL 1: $1.46 54In Stock	Mfr. Part # SFR8-32X3/4-2701 Mouser Part # 608-SFR8-32X3/4-2701	APM HEXSEAL	Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING		54In Stock	$1.46 $1.14 $1.05 $0.883 View $0.868 $0.845 $0.823 $0.807 $0.792	Min.: 1 Mult.: 1
Screws & Fasteners 10-24X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R10-24X9/16 2701 APM HEXSEAL 1: $1.53 12In Stock	Mfr. Part # R10-24X9/16 2701 Mouser Part # 608-R10-24X9/16	APM HEXSEAL	Screws & Fasteners 10-24X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware	Datasheet	12In Stock	$1.53 $1.24 $1.05 $0.97 View $0.901 $0.854 $0.813 $0.785 $0.755	Min.: 1 Mult.: 1
Screws & Fasteners 10-24X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw R10-24X5/8 2701 APM HEXSEAL 1: $1.68 40In Stock	Mfr. Part # R10-24X5/8 2701 Mouser Part # 608-R10-24X5/8	APM HEXSEAL	Screws & Fasteners 10-24X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw Learn More about APM HEXSEAL self sealing hardware		40In Stock	$1.68 $1.35 $1.15 $1.06 $0.731	Min.: 1 Mult.: 1

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