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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: 151

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Part #

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: $0.899
960In Stock

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

960In Stock

$0.899

$0.862

$0.738

$0.694

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: $0.899
206In 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

206In Stock

$0.899

$0.828

$0.708

$0.663

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: $0.992
90In 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

90In Stock

$0.992

$0.84

$0.786

$0.736

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: $1.12
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

$1.12

$0.846

$0.809

$0.698

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: $1.13
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

$1.13

$1.04

$0.859

$0.822

View

Min.: 1
Mult.: 1

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

RM4X20MM-2701
APM HEXSEAL
1: $0.961
1,567In Stock

Mfr. Part #
RM4X20MM-2701

Mouser Part #
608-RM4X20MM2701

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

Datasheet

1,567In Stock

$0.961

$0.767

$0.668

$0.634

$0.601

Min.: 1
Mult.: 1

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

SFR4-40 X 1/4 2701
APM HEXSEAL
1: $0.915
4,328In 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

4,328In Stock

$0.915

$0.64

$0.512

$0.46

View

Min.: 1
Mult.: 1

Screws & Fasteners

SFR6-32 x 3/8 2701
APM HEXSEAL
1: $1.12
568In Stock

Mfr. Part #
SFR6-32 x 3/8 2701

Mouser Part #
608-SFR6-323/82701

Screws & Fasteners

568In Stock

$1.12

$0.949

$0.631

$0.605

$0.591

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 5/16-24 THREAD

5/16-24 AJ 6
APM HEXSEAL
1: $5.69
25In Stock

Mfr. Part #
5/16-24 AJ 6

Mouser Part #
608-5/16-24AJ6

Screws & Fasteners SEELNUTS 5/16-24 THREAD

25In Stock

$5.69

$4.85

$4.56

$4.17

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: $1.74
7In Stock

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

7In Stock

$1.74

$1.48

$1.39

$1.29

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: $1.52
56In 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

56In Stock

$1.52

$1.30

$1.22

$1.15

View

Min.: 1
Mult.: 1

Screws & Fasteners 2-562X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X1/4 2701
APM HEXSEAL
1: $0.868
648In Stock

Mfr. Part #
R2-56X1/4 2701

Mouser Part #
608-R2-56X1/4

Screws & Fasteners 2-562X1/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

648In Stock

$0.868

$0.854

$0.724

$0.719

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: $0.961
862In 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

862In Stock

$0.961

$0.809

$0.756

$0.711

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: $1.18
39In 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

39In Stock

$1.18

$0.967

$0.887

$0.822

$0.663

Min.: 1
Mult.: 1

Screws & Fasteners Screw

SFR4-40X1/2-7601
APM HEXSEAL
1: $0.543
53In Stock

Mfr. Part #
SFR4-40X1/2-7601

Mouser Part #
608-SFR4-40X1/2-7601

Screws & Fasteners Screw

53In Stock

$0.543

$0.541

$0.535

$0.501

$0.493

Min.: 1
Mult.: 1

Screws & Fasteners 2-562X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R2-56X1/2 2701
APM HEXSEAL
1: $1.64
8In Stock

Mfr. Part #
R2-56X1/2 2701

Mouser Part #
608-R2-56X1/2

Screws & Fasteners 2-562X1/2", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

8In Stock

$1.64

$1.40

$1.19

$1.17

$1.06

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: $0.558
282In 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

282In Stock

$0.558

$0.53

$0.467

$0.454

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: $1.30
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

$1.30

$0.995

$0.843

$0.758

View

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: $2.29
615In Stock

Mfr. Part #
R2-56X3/4 2701

Mouser Part #
608-R2-56X3/4

Screws & Fasteners 2-562X3/4", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

615In Stock

$2.29

$1.95

$1.75

$0.865

$0.846

Min.: 1
Mult.: 1

Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING

SFR8-32X3/4-2701
APM HEXSEAL
1: $1.26
94In Stock

Mfr. Part #
SFR8-32X3/4-2701

Mouser Part #
608-SFR8-32X3/4-2701

Screws & Fasteners SEELSKREW FLATHEAD W/SILICON RBR O-RING

94In Stock

$1.26

$0.947

$0.842

$0.736

View

Min.: 1
Mult.: 1

Screws & Fasteners Standard FlatHead w/ Cross Recess Drive

SFR4-40X1/2 2701 BLKOX
APM HEXSEAL
1: $0.853
200In Stock
Factory Special Order

Mfr. Part #
SFR4-40X1/2 2701 BLKOX

Mouser Part #
608-SFR4-40X1/2-2701

Factory Special Order

Screws & Fasteners Standard FlatHead w/ Cross Recess Drive

200In Stock

$0.853

$0.744

$0.632

View

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: $1.10
55Expected 2026-02-09

Mfr. Part #
R4-40X5/16 2615

Mouser Part #
608-R4-40X5/162615

Screws & Fasteners 4-40X5/16", Phillips Pan Head, 18-8 Stainless Steel with Fluoro-Silicone O-Ring, Seal Screw

Datasheet

55Expected 2026-02-09

$1.10

$0.835

$0.742

$0.649

View

Min.: 1
Mult.: 1

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: $0.961
949Expected 2026-02-23

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

949Expected 2026-02-23

$0.961

$0.753

$0.653

$0.618

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: $1.04
514Expected 2026-02-17

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

514Expected 2026-02-17

$1.04

$0.78

$0.693

$0.606

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 10-32 THREAD

10-32 AJ 6
APM HEXSEAL
1: $5.08
6In Stock
69Expected 2026-02-18

Mfr. Part #
10-32 AJ 6

Mouser Part #
608-10-32AJ6

Screws & Fasteners SEELNUTS 10-32 THREAD

6In Stock

69Expected 2026-02-18

$5.08

$4.29

$3.18

Min.: 1
Mult.: 1