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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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Types of Electromechanical

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Results: 153

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Part #

Screws & Fasteners 6-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X1/4 2701
APM HEXSEAL
1: ¥114.6
2,410In Stock

Mfr. Part #
R6-32X1/4 2701

Mouser Part #
608-R6-32X1/4

Screws & Fasteners 6-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

2,410In Stock

¥114.6

¥92.7

¥85.5

¥77.7

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X3/4 2701
APM HEXSEAL
1: ¥109.6
681In Stock

Mfr. Part #
R6-32X3/4 2701

Mouser Part #
608-R6-32X3/4

Screws & Fasteners 6-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

681In Stock

¥109.6

¥93

¥87

¥81.9

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X3/8 2701
APM HEXSEAL
1: ¥98
377In Stock
1,000Expected 9/16/2026

Mfr. Part #
R6-32X3/8 2701

Mouser Part #
608-R6-32X3/8

Screws & Fasteners 6-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

377In Stock

1,000Expected 9/16/2026

¥98

¥82.4

¥77.1

¥72.6

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X5/16 2701
APM HEXSEAL
1: ¥98
703In Stock

Mfr. Part #
R6-32X5/16 2701

Mouser Part #
608-R6-32X5/16

Screws & Fasteners 6-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

703In Stock

¥98

¥82.4

¥77.1

¥72.6

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X5/8 2701
APM HEXSEAL
1: ¥129.6
854In Stock

Mfr. Part #
R6-32X5/8 2701

Mouser Part #
608-R6-32X5/8

Screws & Fasteners 6-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

854In Stock

¥129.6

¥110.3

¥103.5

¥97.3

View

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: ¥137.9
27In Stock

Mfr. Part #
R6-32X7/8 2701

Mouser Part #
608-R6-32X7/8

Screws & Fasteners 6-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

27In Stock

¥137.9

¥117.3

¥110

¥103.5

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X1/4 2701
APM HEXSEAL
1: ¥101.3
1,219In Stock

Mfr. Part #
R8-32X1/4 2701

Mouser Part #
608-R8-32X1/4

Screws & Fasteners 8-32X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

1,219In Stock

¥101.3

¥86

¥80.4

¥75.7

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X5/16 2701
APM HEXSEAL
1: ¥129.6
136In Stock

Mfr. Part #
R8-32X5/16 2701

Mouser Part #
608-R8-32X5/162701

Screws & Fasteners 8-32X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

136In Stock

¥129.6

¥110.3

¥103.5

¥97.3

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X7/16 2701
APM HEXSEAL
1: ¥134.5
81In Stock

Mfr. Part #
R8-32X7/16 2701

Mouser Part #
608-R8-32X7/16

Screws & Fasteners 8-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

81In Stock

¥134.5

¥113.8

¥106.6

¥100.5

View

Min.: 1
Mult.: 1

Screws & Fasteners SCR PAN STL ST 3X12 PHIL SELF SEAL

RM3X12MM-2701
APM HEXSEAL
1: ¥93
7,726Expected 10/12/2026

Mfr. Part #
RM3X12MM-2701

Mouser Part #
608-RM3X12MM2701

Screws & Fasteners SCR PAN STL ST 3X12 PHIL SELF SEAL

Datasheet

7,726Expected 10/12/2026

¥93

¥86.4

¥73.7

¥69.4

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW MT PH REC M4 X 0.7 THD 20MM LG

RM4X20MM-2701
APM HEXSEAL
1: ¥108
1,141In Stock

Mfr. Part #
RM4X20MM-2701

Mouser Part #
608-RM4X20MM2701

Screws & Fasteners SEELSKREW MT PH REC M4 X 0.7 THD 20MM LG

Datasheet

1,141In Stock

¥108

¥101.7

¥87

¥81.9

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR

SFR4-40 X 1/4 2701
APM HEXSEAL
1: ¥116.3
2,460In Stock

Mfr. Part #
SFR4-40 X 1/4 2701

Mouser Part #
608-SFR4-40X1/42701

Screws & Fasteners SEELSKREW FH REC 4-40 THD 1/4" NBR

2,460In Stock

¥116.3

¥89.7

¥81.7

¥71.9

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 5/16-24 THREAD

5/16-24 AJ 6
APM HEXSEAL
1: ¥616.2
15In Stock

Mfr. Part #
5/16-24 AJ 6

Mouser Part #
608-5/16-24AJ6

Screws & Fasteners SEELNUTS 5/16-24 THREAD

15In Stock

¥616.2

¥578

¥504.9

¥478.4

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X5/8 2701
APM HEXSEAL
1: ¥259.1
65In Stock

Mfr. Part #
R1/4-20X5/8 2701

Mouser Part #
608-R1/4-20X5/8

Screws & Fasteners 1/4"-20X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

65In Stock

¥259.1

¥222.6

¥207.6

¥197.7

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-32X1 2701
APM HEXSEAL
1: ¥172.7
3In Stock

Mfr. Part #
R10-32X1 2701

Mouser Part #
608-R10-32X1

Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

3In Stock

¥172.7

¥147.7

¥138.7

¥130.7

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-32X3/4 2701
APM HEXSEAL
1: ¥184.4
196In Stock

Mfr. Part #
R10-32X3/4 2701

Mouser Part #
608-R10-32X3/4

Screws & Fasteners 10-32X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

196In Stock

¥184.4

¥157.6

¥148.2

¥139.7

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X3/4 2701
APM HEXSEAL
1: ¥149.5
102In Stock

Mfr. Part #
R8-32X3/4 2701

Mouser Part #
608-R8-32X3/4

Screws & Fasteners 8-32X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

102In Stock

¥149.5

¥127.4

¥119.6

¥112.6

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X5/8 2701
APM HEXSEAL
1: ¥146.2
30In Stock

Mfr. Part #
R8-32X5/8 2701

Mouser Part #
608-R8-32X5/8

Screws & Fasteners 8-32X5/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

30In Stock

¥146.2

¥124.1

¥116.4

¥109.6

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X7/8 2701
APM HEXSEAL
1: ¥156.1
758In Stock

Mfr. Part #
R8-32X7/8 2701

Mouser Part #
608-R8-32X7/8

Screws & Fasteners 8-32X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

758In Stock

¥156.1

¥146.5

¥125.9

¥118.8

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X5/8", Phillips Flat Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

SFR8-32X5/8 2701
APM HEXSEAL
1: ¥126.2
29In Stock

Mfr. Part #
SFR8-32X5/8 2701

Mouser Part #
608-SFR8-32X5/82701

Screws & Fasteners 8-32X5/8", Phillips Flat Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

29In Stock

¥126.2

¥110

¥107.3

¥106.3

View

Min.: 1
Mult.: 1

Screws & Fasteners 4-40X1/2", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

S4-40X1/2 2701
APM HEXSEAL
1: ¥116.3
82In Stock

Mfr. Part #
S4-40X1/2 2701

Mouser Part #
608-S4-40X1/22701

Screws & Fasteners 4-40X1/2", Slotted Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

82In Stock

¥116.3

¥89.7

¥81.7

¥69.6

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-24X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-24X7/16 2701
APM HEXSEAL
1: ¥192.7
87In Stock

Mfr. Part #
R10-24X7/16 2701

Mouser Part #
608-R10-24X7/16

Screws & Fasteners 10-24X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

87In Stock

¥192.7

¥155.3

¥131.9

¥121.6

¥82.6

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW 6-32 X 5/8 WITH VITON O-RING

R6-32X5/8-5701
APM HEXSEAL
1: ¥192.7
4In Stock
Factory Special Order

Mfr. Part #
R6-32X5/8-5701

Mouser Part #
608-R6-32X5/8-5701

Factory Special Order

Screws & Fasteners SEELSKREW 6-32 X 5/8 WITH VITON O-RING

4In Stock

¥192.7

View

Min.: 1
Mult.: 1

Screws & Fasteners 8-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R8-32X3/8 2701
APM HEXSEAL
1: ¥104.6
13,069Expected 11/23/2026

Mfr. Part #
R8-32X3/8 2701

Mouser Part #
608-R8-32X3/8

Screws & Fasteners 8-32X3/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

13,069Expected 11/23/2026

¥104.6

¥97.8

¥83.7

¥78.7

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X1/2 2701
APM HEXSEAL
1: ¥196
41Expected 9/25/2026

Mfr. Part #
R1/4-20X1/2 2701

Mouser Part #
608-R1/4-20X1/2

Screws & Fasteners 1/4"-20X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

41Expected 9/25/2026

¥196

¥167.8

¥157.6

¥148.7

View

Min.: 1
Mult.: 1