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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 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
310Expected 10/9/2026

Mfr. Part #
R2-56X5/16 2701

Mouser Part #
608-R2-56X5/16

Screws & Fasteners 2-562X5/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

310Expected 10/9/2026

¥197.7

¥154.8

¥141.4

¥125.1

View

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

Screws & Fasteners

90In Stock

¥164.4

¥128.1

¥116.9

¥103

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X7/8 2701
APM HEXSEAL
1: ¥362.1
1In Stock

Mfr. Part #
R1/4-20X7/8 2701

Mouser Part #
608-R1/4-20X7/8

Screws & Fasteners 1/4"-20X7/8", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

1In Stock

¥362.1

¥287.4

¥242.5

¥225.9

¥156.5

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 1/2-13 THREAD

1/2-13 AJ 6
APM HEXSEAL
1: ¥823.9
Non-Stocked Lead-Time 10 Weeks

Mfr. Part #
1/2-13 AJ 6

Mouser Part #
608-1/2-13AJ6

Screws & Fasteners SEELNUTS 1/2-13 THREAD

Non-Stocked Lead-Time 10 Weeks

¥823.9

¥659.4

¥544.8

¥526.5

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 1/4-20 THREAD

1/4-20 AJ 6
APM HEXSEAL
1: ¥616.2
Non-Stocked Lead-Time 6 Weeks

Mfr. Part #
1/4-20 AJ 6

Mouser Part #
608-1/4-20AJ6

Screws & Fasteners SEELNUTS 1/4-20 THREAD

Non-Stocked Lead-Time 6 Weeks

¥616.2

¥578

¥504.9

¥478.4

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 1/4-28 THREAD

1/4-28 AJ 6
APM HEXSEAL
1: ¥832.2
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
1/4-28 AJ 6

Mouser Part #
608-1/4-28AJ6

Screws & Fasteners SEELNUTS 1/4-28 THREAD

Non-Stocked Lead-Time 12 Weeks

¥832.2

¥667.7

¥503.3

¥501.6

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 3/8-16 THREAD

3/8-16 AJ 6
APM HEXSEAL
1: ¥666.1
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
3/8-16 AJ 6

Mouser Part #
608-3/8-16AJ6

Screws & Fasteners SEELNUTS 3/8-16 THREAD

Non-Stocked Lead-Time 12 Weeks

¥666.1

¥626.2

¥548.1

¥519.9

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 5/8-18 THREAD

5/8-18 AJ 6
APM HEXSEAL
25: ¥654.4
Non-Stocked Lead-Time 8 Weeks

Mfr. Part #
5/8-18 AJ 6

Mouser Part #
608-5/8-18AJ6

Screws & Fasteners SEELNUTS 5/8-18 THREAD

Non-Stocked Lead-Time 8 Weeks

¥654.4

¥652.8

¥632.8

¥619.6

View

Min.: 25
Mult.: 25

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

R6-32X5/16 2615
APM HEXSEAL
1: ¥171.1
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
R6-32X5/16 2615

Mouser Part #
608-R6-32X5/162615

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

Non-Stocked Lead-Time 4 Weeks

¥171.1

¥133.4

¥123.9

¥105.1

View

Min.: 1
Mult.: 1

Screws & Fasteners 6-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R6-32X7/16 2701
APM HEXSEAL
1: ¥162.8
Non-Stocked Lead-Time 12 Weeks

Mfr. Part #
R6-32X7/16 2701

Mouser Part #
608-R6-32X7/16

Screws & Fasteners 6-32X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

Non-Stocked Lead-Time 12 Weeks

¥162.8

¥125.6

¥94.5

¥93.3

View

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
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
ST1/4-20X1 2701

Mouser Part #
608-ST1/4-20X1

Screws & Fasteners 1/4-20X1" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Datasheet

Non-Stocked Lead-Time 3 Weeks

¥543.1

¥433.5

¥337.2

¥335.5

View

Min.: 1
Mult.: 1

Screws & Fasteners

ST1/4-20X1-1/2 2701
APM HEXSEAL
25: ¥242.5
Non-Stocked Lead-Time 4 Weeks

Mfr. Part #
ST1/4-20X1-1/2 2701

Mouser Part #
608-ST1/4-20X1-1/2

Screws & Fasteners

Non-Stocked Lead-Time 4 Weeks

¥242.5

¥225.9

¥210.9

¥201

View

Min.: 25
Mult.: 25

Screws & Fasteners 3/8-16X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

ST3/8-16X3/4 2701
APM HEXSEAL
1: ¥702.6
Non-Stocked Lead-Time 3 Weeks

Mfr. Part #
ST3/8-16X3/4 2701

Mouser Part #
608-ST3/8-16X3/4

Screws & Fasteners 3/8-16X3/4" 18-8 Stainless Steel Self-Seal Silicone O-Ring, Hex Cap Screw

Datasheet

Non-Stocked Lead-Time 3 Weeks

¥702.6

¥579.7

¥490

¥460.1

¥348.8

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 1/2-20 THREAD

1/2-20 AJ 6
APM HEXSEAL
1: ¥823.9
Non-Stocked

Mfr. Part #
1/2-20 AJ 6

Mouser Part #
608-1/2-20AJ6

Screws & Fasteners SEELNUTS 1/2-20 THREAD

Non-Stocked

¥823.9

¥659.4

¥544.8

¥526.5

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 10-24 THREAD

10-24 AJ 6
APM HEXSEAL
25: ¥455.1
Non-Stocked

Mfr. Part #
10-24 AJ 6

Mouser Part #
608-10-24AJ6

Screws & Fasteners SEELNUTS 10-24 THREAD

Non-Stocked

¥455.1

¥441.8

¥431.9

¥421.9

View

Min.: 25
Mult.: 25

Screws & Fasteners SEELNUTS 3/8-24 THREAD

3/8-24 AJ 6
APM HEXSEAL
25: ¥534.8
Non-Stocked

Mfr. Part #
3/8-24 AJ 6

Mouser Part #
608-3/8-24AJ6

Screws & Fasteners SEELNUTS 3/8-24 THREAD

Non-Stocked

¥534.8

¥533.2

¥514.9

¥506.6

View

Min.: 25
Mult.: 25

Screws & Fasteners SEELNUTS 5/16-18 THREAD

5/16-18 AJ 6
APM HEXSEAL
1: ¥754.1
Non-Stocked

Mfr. Part #
5/16-18 AJ 6

Mouser Part #
608-5/16-18AJ6

Screws & Fasteners SEELNUTS 5/16-18 THREAD

Non-Stocked

¥754.1

¥604.6

¥503.3

¥501.6

View

Min.: 1
Mult.: 1

Screws & Fasteners SEELNUTS 7/16-20 THREAD

7/16-20 AJ 6
APM HEXSEAL
25: ¥544.8
Non-Stocked

Mfr. Part #
7/16-20 AJ 6

Mouser Part #
608-7/16-20AJ6

Screws & Fasteners SEELNUTS 7/16-20 THREAD

Non-Stocked

¥544.8

¥526.5

¥516.6

¥508.3

View

Min.: 25
Mult.: 25

Screws & Fasteners SEELNUTS 8-32 THREAD

8-32 AJ 6
APM HEXSEAL
1: ¥558.1
Non-Stocked

Mfr. Part #
8-32 AJ 6

Mouser Part #
608-8-32AJ6

Screws & Fasteners SEELNUTS 8-32 THREAD

Non-Stocked

¥558.1

¥523.2

¥456.8

¥433.5

View

Min.: 1
Mult.: 1

Screws & Fasteners

R1/4-20X1-1/4 2701
APM HEXSEAL
50: ¥294
Non-Stocked

Mfr. Part #
R1/4-20X1-1/4 2701

Mouser Part #
608-R1/4-20X1-1/4

Screws & Fasteners

Non-Stocked

¥294

¥275.7

¥257.5

¥244.2

View

Min.: 50
Mult.: 50

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

R1/4-20X1-1/8 2701
APM HEXSEAL
50: ¥544.8
Non-Stocked

Mfr. Part #
R1/4-20X1-1/8 2701

Mouser Part #
608-R1/4-20X1-1/8

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

Non-Stocked

¥544.8

¥511.6

¥480

¥463.4

View

Min.: 50
Mult.: 50

Screws & Fasteners 1/4"-20X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X7/16 2701
APM HEXSEAL
1: ¥230.9
Non-Stocked

Mfr. Part #
R1/4-20X7/16 2701

Mouser Part #
608-R1/4-20X7/16

Screws & Fasteners 1/4"-20X7/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Non-Stocked

¥230.9

¥197.7

¥184.4

¥174.4

View

Min.: 1
Mult.: 1

Screws & Fasteners 1/4"-20X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R1/4-20X9/16 2701
APM HEXSEAL
1: ¥971.7
Non-Stocked

Mfr. Part #
R1/4-20X9/16 2701

Mouser Part #
608-R1/4-20X9/16

Screws & Fasteners 1/4"-20X9/16", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Non-Stocked

¥971.7

¥782.3

¥760.7

¥646.1

View

Min.: 1
Mult.: 1

Screws & Fasteners 10-24X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

R10-24X1 2701
APM HEXSEAL
50: ¥179.4
Non-Stocked

Mfr. Part #
R10-24X1 2701

Mouser Part #
608-R10-24X1

Screws & Fasteners 10-24X1", Phillips Pan Head, 18-8 Stainless Steel with Silicone O-Ring, Seal Screw

Datasheet

Non-Stocked

¥179.4

¥166.1

¥114.8

Min.: 50
Mult.: 1

Screws & Fasteners PANHEAD PHILLIPS 10- 24THDx.5'"sili-orin

R10-24x1/2 2701
APM HEXSEAL
50: ¥143.2
Non-Stocked

Mfr. Part #
R10-24x1/2 2701

Mouser Part #
608-R10-24X1/22701

Screws & Fasteners PANHEAD PHILLIPS 10- 24THDx.5'"sili-orin

Datasheet

Non-Stocked

¥143.2

¥131.9

¥85.2

Min.: 50
Mult.: 50