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 M2.5X6MM, Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw RM2.5x6MM 2701 APM HEXSEAL 1: $1.44 5,611In 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		5,611In Stock	$1.44 $1.12 $0.873 $0.838 View $0.795 $0.756 $0.732 $0.703	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 SFR4-40X5/16 2701 APM HEXSEAL 1: $1.27 4,243In 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		4,243In Stock	$1.27 $0.972 $0.886 $0.78 View $0.756 $0.678 $0.662	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW STD PH REC 4-40 THD 3/16"LG R4-40X3/16 2701 APM HEXSEAL 1: $1.27 7,911In 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		7,911In Stock	$1.27 $1.00 $0.85 $0.78 View $0.721 $0.684 $0.649 $0.631 $0.602	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: $1.43 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	$1.43 $1.12 $1.02 $0.903 View $0.838 $0.795 $0.756 $0.732 $0.703	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: $2.15 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	$2.15 $1.73 $1.45 $1.35 $0.949	Min.: 1 Mult.: 1
Screws & Fasteners R8-32x3/16 2701 APM HEXSEAL 1: $1.43 90In Stock	Mfr. Part # R8-32x3/16 2701 Mouser Part # 608-R8-32X3/162701	APM HEXSEAL	Screws & Fasteners		90In Stock	$1.43 $1.11 $1.01 $0.893 View $0.827 $0.782 $0.743 $0.721 $0.688	Min.: 1 Mult.: 1
Screws & Fasteners SCR PAN STL sT m3X25 PHIL SELF SEAL RM3X25MM 2701 APM HEXSEAL 1: $2.74 253In Stock 470On Order	Mfr. Part # RM3X25MM 2701 Mouser Part # 608-RM3X25MM2701	APM HEXSEAL	Screws & Fasteners SCR PAN STL sT m3X25 PHIL SELF SEAL		253In Stock 470On Order On Order Ship Dates Mfr. #: RM3X25MM 2701 Stock: 253 Can Ship Immediately On Order: 20 Pending 450 Expected 2026-11-20 Factory Lead-Time: 6 Weeks	$2.74 $2.20 $1.86 $1.73 $1.27	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2615 APM HEXSEAL 1: $1.56 64In Stock 1,000Expected 2026-11-09	Mfr. Part # SFR4-40 x 3/8 2615 Mouser Part # 608-SFR4-40X382615	APM HEXSEAL	Screws & Fasteners		64In Stock 1,000Expected 2026-11-09	$1.56 $1.22 $1.11 $0.985 View $0.913 $0.867 $0.825 $0.796 $0.766	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM SM3X8MM-2701 APM HEXSEAL 1: $1.09 159In Stock	Mfr. Part # SM3X8MM-2701 Mouser Part # 608-SM3X8MM-2701	APM HEXSEAL	Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM		159In Stock	$1.09 $0.854 $0.779 $0.687 View $0.635 $0.602 $0.572 $0.554 $0.487	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: $1.71 292In 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		292In Stock	$1.71 $1.34 $1.23 $1.08 View $1.05 $0.988 $0.962 $0.945 $0.926	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM SM3X20MM-2701 APM HEXSEAL 1: $1.48 279In Stock 550Expected 2026-11-13	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		279In Stock 550Expected 2026-11-13	$1.48 $1.16 $0.899 $0.881 View $0.855 $0.834 $0.819 $0.804	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: $1.71 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	$1.71 $1.39 $1.18 $1.08 View $0.943 $0.786	Min.: 1 Mult.: 1
Screws & Fasteners SFR832X3/8 2701 APM HEXSEAL 1: $1.30 100In Stock	Mfr. Part # SFR832X3/8 2701 Mouser Part # 608-SFR832X3/8	APM HEXSEAL	Screws & Fasteners		100In Stock	$1.30 $1.01 $0.847 $0.827 View $0.793 $0.77 $0.752 $0.74 $0.72	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: $4.71 23In Stock 50Expected 2026-11-12	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	23In Stock 50Expected 2026-11-12	$4.71 $3.76 $2.92 $2.91 View $2.82 $2.76 $2.71 $2.65	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: $1.71 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	$1.71 $1.34 $1.03 $1.02 View $0.988 $0.962 $0.945 $0.926	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: $1.71 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	$1.71 $1.34 $1.23 $1.08 View $1.02 $0.988 $0.962 $0.945 $0.926	Min.: 1 Mult.: 1
Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM SM3X6MM-2701 APM HEXSEAL 1: $1.09 1,721In 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		1,721In Stock	$1.09 $0.854 $0.779 $0.687 View $0.672 $0.60 $0.586	Min.: 1 Mult.: 1
Screws & Fasteners S/6-32X1/4 2701 APM HEXSEAL 1: $1.07 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	$1.07 $0.76 $0.693 $0.608 View $0.562 $0.546 $0.507 $0.494 $0.478	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2701 APM HEXSEAL 1: $1.05 3,957In Stock	Mfr. Part # SFR4-40 x 3/8 2701 Mouser Part # 608-SFR4-40X3-82701	APM HEXSEAL	Screws & Fasteners		3,957In Stock	$1.05 $0.815 $0.783 $0.609 $0.58	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM SM3X12MM-2701 APM HEXSEAL 1: $1.17 511In Stock 1,000Expected 2026-11-13	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		511In Stock 1,000Expected 2026-11-13	$1.17 $1.04 $0.598 $0.58 $0.51	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: $1.41 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	$1.41 $1.09 $0.906 $0.847 View $0.809 $0.766 $0.727 $0.706 $0.674	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: $1.70 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	$1.70 $1.37 $1.17 $1.07 View $0.998 $0.946 $0.90 $0.87 $0.837	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: $1.86 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	$1.86 $1.50 $1.27 $1.18 $0.809	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: $2.15 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	$2.15 $1.73 $1.45 $1.35 $0.949	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: $1.71 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	$1.71 $1.34 $1.03 $1.02 View $0.988 $0.962 $0.945 $0.926	Min.: 1 Mult.: 1

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Self-Sealing Hardware

Types of Electromechanical