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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: $0.994
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

$0.994

$0.804

$0.742

$0.674

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: $0.95
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

$0.95

$0.806

$0.755

$0.71

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: $0.85
377In Stock
1,000Expected 2026-09-16

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 2026-09-16

$0.85

$0.714

$0.668

$0.629

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: $0.85
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

$0.85

$0.714

$0.668

$0.629

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: $1.12
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

$1.12

$0.956

$0.897

$0.844

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: $1.20
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

$1.20

$1.02

$0.953

$0.897

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: $0.878
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

$0.878

$0.746

$0.697

$0.657

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: $1.12
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

$1.12

$0.956

$0.897

$0.844

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: $1.17
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

$1.17

$0.986

$0.924

$0.871

View

Min.: 1
Mult.: 1

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

RM3X12MM-2701
APM HEXSEAL
1: $0.806
7,726Expected 2026-10-12

Mfr. Part #
RM3X12MM-2701

Mouser Part #
608-RM3X12MM2701

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

Datasheet

7,726Expected 2026-10-12

$0.806

$0.749

$0.639

$0.602

View

Min.: 1
Mult.: 1

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

RM4X20MM-2701
APM HEXSEAL
1: $0.936
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

$0.936

$0.881

$0.755

$0.71

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: $1.01
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

$1.01

$0.778

$0.708

$0.624

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 5/16-24 THREAD

5/16-24 AJ 6
APM HEXSEAL
1: $5.34
15In Stock

Mfr. Part #
5/16-24 AJ 6

Mouser Part #
608-5/16-24AJ6

Screws & Fasteners SEELNUTS 5/16-24 THREAD

15In Stock

$5.34

$5.01

$4.38

$4.15

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: $2.25
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

$2.25

$1.93

$1.80

$1.71

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: $1.50
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

$1.50

$1.28

$1.20

$1.13

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: $1.60
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

$1.60

$1.37

$1.28

$1.21

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: $1.30
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

$1.30

$1.10

$1.04

$0.976

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: $1.27
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

$1.27

$1.08

$1.01

$0.95

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: $1.35
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

$1.35

$1.27

$1.09

$1.03

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: $1.09
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

$1.09

$0.953

$0.93

$0.922

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: $1.01
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

$1.01

$0.778

$0.708

$0.603

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: $1.67
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

$1.67

$1.35

$1.14

$1.05

$0.716

Min.: 1
Mult.: 1

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

R6-32X5/8-5701
APM HEXSEAL
1: $1.67
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

$1.67

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: $0.907
13,069Expected 2026-11-23

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 2026-11-23

$0.907

$0.848

$0.726

$0.683

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: $1.70
41Expected 2026-09-25

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 2026-09-25

$1.70

$1.45

$1.37

$1.29

View

Min.: 1
Mult.: 1