Electromechanical – Mouser Japan

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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 (JPY) 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: ¥146.2 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	¥146.2 ¥115.6 ¥98 ¥90 View ¥83.2 ¥78.9 ¥74.9 ¥72.8 ¥69.4	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: ¥164.4 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	¥164.4 ¥128.9 ¥117.8 ¥104.1 View ¥96.7 ¥91.7 ¥87.2 ¥84.4 ¥81.1	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: ¥166.1 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	¥166.1 ¥129.1 ¥100.7 ¥96.7 View ¥91.7 ¥87.2 ¥84.4 ¥81.1	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FH REC 4-40 THD 5/16 SFR4-40X5/16 2701 APM HEXSEAL 1: ¥146.2 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	¥146.2 ¥112.1 ¥102.2 ¥90 View ¥87.2 ¥78.2 ¥76.4	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: ¥197.7 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	¥197.7 ¥154.8 ¥141.4 ¥125.1 View ¥121.4 ¥113.9 ¥111 ¥109 ¥106.8	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 20MM SM3X20MM-2701 APM HEXSEAL 1: ¥171.1 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	¥171.1 ¥133.4 ¥103.6 ¥101.7 View ¥98.7 ¥96.2 ¥94.5 ¥92.7	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: ¥247.5 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	¥247.5 ¥199.3 ¥167.8 ¥156 ¥109.5	Min.: 1 Mult.: 1
Screws & Fasteners R8-32x3/16 2701 APM HEXSEAL 1: ¥164.4 90In Stock	Mfr. Part # R8-32x3/16 2701 Mouser Part # 608-R8-32X3/162701	APM HEXSEAL	Screws & Fasteners		90In Stock	¥164.4 ¥128.1 ¥116.9 ¥103 View ¥95.3 ¥90.2 ¥85.7 ¥83.2 ¥79.4	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2615 APM HEXSEAL 1: ¥179.4 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	¥179.4 ¥140.5 ¥128.4 ¥113.6 View ¥105.3 ¥100 ¥95.2 ¥91.9 ¥88.4	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 8MM SM3X8MM-2701 APM HEXSEAL 1: ¥126.2 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	¥126.2 ¥98.5 ¥89.9 ¥79.2 View ¥73.3 ¥69.4 ¥65.9 ¥63.9 ¥56.1	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: ¥197.7 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	¥197.7 ¥159.8 ¥135.5 ¥125.1 View ¥108.8 ¥90.7	Min.: 1 Mult.: 1
Screws & Fasteners SFR832X3/8 2701 APM HEXSEAL 1: ¥149.5 100In Stock	Mfr. Part # SFR832X3/8 2701 Mouser Part # 608-SFR832X3/8	APM HEXSEAL	Screws & Fasteners		100In Stock	¥149.5 ¥116.4 ¥97.7 ¥95.3 View ¥91.5 ¥88.9 ¥86.7 ¥85.4 ¥83.1	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: ¥543.1 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	¥543.1 ¥433.5 ¥337.2 ¥335.5 View ¥325.6 ¥318.9 ¥312.3 ¥305.6	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: ¥197.7 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	¥197.7 ¥154.8 ¥118.8 ¥117.3 View ¥113.9 ¥111 ¥109 ¥106.8	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: ¥197.7 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	¥197.7 ¥154.8 ¥141.4 ¥125.1 View ¥117.3 ¥113.9 ¥111 ¥109 ¥106.8	Min.: 1 Mult.: 1
Screws & Fasteners METRIC PAN HEAD WITH SLOTTED DRIVE 6MM SM3X6MM-2701 APM HEXSEAL 1: ¥126.2 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	¥126.2 ¥98.5 ¥89.9 ¥79.2 View ¥77.6 ¥69.3 ¥67.6	Min.: 1 Mult.: 1
Screws & Fasteners S/6-32X1/4 2701 APM HEXSEAL 1: ¥122.9 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	¥122.9 ¥87.7 ¥79.9 ¥70.1 View ¥64.8 ¥63 ¥58.5 ¥57 ¥55.1	Min.: 1 Mult.: 1
Screws & Fasteners SFR4-40 x 3/8 2701 APM HEXSEAL 1: ¥121.3 4,132In Stock	Mfr. Part # SFR4-40 x 3/8 2701 Mouser Part # 608-SFR4-40X3-82701	APM HEXSEAL	Screws & Fasteners		4,132In Stock	¥121.3 ¥94 ¥90.4 ¥70.3 ¥66.9	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW MT PH SLOT M3 X .5 THD 12MM SM3X12MM-2701 APM HEXSEAL 1: ¥134.5 511In 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		511In Stock 1,000Expected 11/13/2026	¥134.5 ¥120.4 ¥68.9 ¥66.9 ¥58.8	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: ¥162.8 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	¥162.8 ¥125.6 ¥104.5 ¥97.7 View ¥93.3 ¥88.4 ¥83.9 ¥81.4 ¥77.7	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: ¥247.5 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	¥247.5 ¥199.3 ¥167.8 ¥156 ¥109.5	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: ¥197.7 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	¥197.7 ¥154.8 ¥118.8 ¥117.3 View ¥113.9 ¥111 ¥109 ¥106.8	Min.: 1 Mult.: 1
Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING SFR8-32X3/4-2701 APM HEXSEAL 1: ¥186 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	¥186 ¥146 ¥133.5 ¥112.8 View ¥111 ¥108 ¥105.1 ¥103.1 ¥101.2	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: ¥196 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	¥196 ¥158.5 ¥134.5 ¥123.9 View ¥115.1 ¥109.1 ¥103.8 ¥100.3 ¥96.5	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: ¥214.3 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	¥214.3 ¥172.7 ¥146.7 ¥135.7 ¥93.3	Min.: 1 Mult.: 1

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