Screws & Fasteners – Mouser Hong Kong

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RT™ Free-Running Locknuts

PEM RT™ Free-Running Locknuts feature all-metal construction and are resistant to vibrational loosening. These locknuts from PEM allow the screw to turn freely until a clamp load is applied, and the modified thread angle on the loaded flank provides a vibration-resistant locking feature. The back side of the panel is flush or sub-flush for screw installation, and the locking feature reusability is not affected by the number of on/off cycles.

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Part #

Screws & Fasteners S-M6-2ZI, RAMP THREAD

S-RTM6-2ZI
PEM
1: HK$3.95
8,755In Stock

Mfr. Part No.
S-RTM6-2ZI

Mouser Part No
153-S-RTM6-2ZI

PEM

Screws & Fasteners S-M6-2ZI, RAMP THREAD

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Datasheet

8,755In Stock

HK$3.95

HK$2.95

HK$2.68

HK$2.35

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M6 x 1

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-M6-1ZI, RAMP THREAD

S-RTM6-1ZI
PEM
1: HK$3.62
17,166In Stock

Mfr. Part No.
S-RTM6-1ZI

Mouser Part No
153-S-RTM6-1ZI

PEM

Screws & Fasteners S-M6-1ZI, RAMP THREAD

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Datasheet

17,166In Stock

HK$3.62

HK$2.69

HK$2.44

HK$2.14

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M6 x 1

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners SS-M5-2ZI, RAMP THREAD

SS-RTM5-2ZI
PEM
1: HK$2.14
10,904In Stock

Mfr. Part No.
SS-RTM5-2ZI

Mouser Part No
153-SS-RTM5-2ZI

PEM

Screws & Fasteners SS-M5-2ZI, RAMP THREAD

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Datasheet

10,904In Stock

HK$2.14

HK$1.55

HK$1.40

HK$1.22

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M5 x 0.8

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-632-0ZI, RAMP THREAD

S-RT632-0ZI
PEM
1: HK$1.73
9,419In Stock
437On Order

Mfr. Part No.
S-RT632-0ZI

Mouser Part No
153-S-RT632-0ZI

PEM

Screws & Fasteners S-632-0ZI, RAMP THREAD

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Datasheet

9,419In Stock

437On Order

HK$1.73

HK$1.35

HK$1.22

HK$1.06

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

6-32

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-0420-0ZI, RAMP THREAD

S-RT0420-0ZI
PEM
1: HK$3.70
364In Stock

Mfr. Part No.
S-RT0420-0ZI

Mouser Part No
153-S-RT0420-0ZI

PEM

Screws & Fasteners S-0420-0ZI, RAMP THREAD

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Datasheet

364In Stock

HK$3.70

HK$2.70

HK$2.45

HK$2.15

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

1/4-20

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-832-2ZI, RAMP THREAD

S-RT832-2ZI
PEM
1: HK$1.89
550In Stock

Mfr. Part No.
S-RT832-2ZI

Mouser Part No
153-S-RT832-2ZI

PEM

Screws & Fasteners S-832-2ZI, RAMP THREAD

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Datasheet

550In Stock

HK$1.89

HK$1.36

HK$1.23

HK$1.08

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

8-32

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners

SS-RT032-1ZI
PEM
1: HK$2.14
997In Stock

Mfr. Part No.
SS-RT032-1ZI

Mouser Part No
153-SS-RT032-1ZI

PEM

Screws & Fasteners

Learn More

Datasheet

997In Stock

HK$2.14

HK$1.63

HK$1.47

HK$1.28

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

10-32

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-440-0ZI, RAMP THREAD

S-RT440-0ZI
PEM
1: HK$1.81
9,458In Stock

Mfr. Part No.
S-RT440-0ZI

Mouser Part No
153-S-RT440-0ZI

PEM

Screws & Fasteners S-440-0ZI, RAMP THREAD

Learn More

Datasheet

9,458In Stock

HK$1.81

HK$1.37

HK$1.23

HK$1.06

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

4-40

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-M3-2ZI, RAMP THREAD

S-RTM3-2ZI
PEM
1: HK$1.81
9,184In Stock

Mfr. Part No.
S-RTM3-2ZI

Mouser Part No
153-S-RTM3-2ZI

PEM

Screws & Fasteners S-M3-2ZI, RAMP THREAD

Learn More

Datasheet

9,184In Stock

HK$1.81

HK$1.37

HK$1.23

HK$1.06

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M3 x 0.5

4.22 mm

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners

SS-RT032-2ZI
PEM
1: HK$2.14
49In Stock

Mfr. Part No.
SS-RT032-2ZI

Mouser Part No
153-SS-RT032-2ZI

PEM

Screws & Fasteners

Learn More

Datasheet

49In Stock

HK$2.14

HK$1.65

HK$1.50

HK$1.30

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

10-32

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners SS-M5-0ZI, RAMP THREAD

SS-RTM5-0ZI
PEM
1: HK$2.14
92In Stock

Mfr. Part No.
SS-RTM5-0ZI

Mouser Part No
153-SS-RTM5-0ZI

PEM

Screws & Fasteners SS-M5-0ZI, RAMP THREAD

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Datasheet

92In Stock

HK$2.14

HK$1.62

HK$1.46

HK$1.27

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M5 x 0.8

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-M3-1ZI, RAMP THREAD

S-RTM3-1ZI
PEM
1: HK$1.73
9,941In Stock

Mfr. Part No.
S-RTM3-1ZI

Mouser Part No
153-S-RTM3-1ZI

PEM

Screws & Fasteners S-M3-1ZI, RAMP THREAD

Learn More

Datasheet

9,941In Stock

HK$1.73

HK$1.34

HK$1.21

HK$1.05

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M3 x 0.5

4.22 mm

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-0420-2ZI, RAMP THREAD

S-RT0420-2ZI
PEM
1: HK$3.95
2In Stock

Mfr. Part No.
S-RT0420-2ZI

Mouser Part No
153-S-RT0420-2ZI

PEM

Screws & Fasteners S-0420-2ZI, RAMP THREAD

Learn More

Datasheet

2In Stock

HK$3.95

HK$2.95

HK$2.68

HK$2.35

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

1/4-20

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-M6-00ZI, RAMP THREAD

S-RTM6-00ZI
PEM
1: HK$3.86
9,495In Stock

Mfr. Part No.
S-RTM6-00ZI

Mouser Part No
153-S-RTM6-00ZI

PEM

Screws & Fasteners S-M6-00ZI, RAMP THREAD

Learn More

Datasheet

9,495In Stock

HK$3.86

HK$2.92

HK$2.65

HK$2.32

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M6 x 1

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-0518-1ZI, RAMP THREAD

S-RT0518-1ZI
PEM
1: HK$4.77
374In Stock

Mfr. Part No.
S-RT0518-1ZI

Mouser Part No
153-S-RT0518-1ZI

PEM

Screws & Fasteners S-0518-1ZI, RAMP THREAD

Learn More

Datasheet

374In Stock

HK$4.77

HK$3.58

HK$3.25

HK$2.84

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

5/16-18

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-0518-2ZI, RAMP THREAD

S-RT0518-2ZI
PEM
1: HK$4.77
2,471In Stock

Mfr. Part No.
S-RT0518-2ZI

Mouser Part No
153-S-RT0518-2ZI

PEM

Screws & Fasteners S-0518-2ZI, RAMP THREAD

Learn More

Datasheet

2,471In Stock

HK$4.77

HK$3.58

HK$3.25

HK$2.84

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

5/16-18

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-632-2ZI, RAMP THREAD

S-RT632-2ZI
PEM
1: HK$1.73
540In Stock

Mfr. Part No.
S-RT632-2ZI

Mouser Part No
153-S-RT632-2ZI

PEM

Screws & Fasteners S-632-2ZI, RAMP THREAD

Learn More

Datasheet

540In Stock

HK$1.73

HK$1.35

HK$1.22

HK$1.06

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

6-32

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-M4-0ZI, RAMP THREAD

S-RTM4-0ZI
PEM
1: HK$1.89
980In Stock

Mfr. Part No.
S-RTM4-0ZI

Mouser Part No
153-S-RTM4-0ZI

PEM

Screws & Fasteners S-M4-0ZI, RAMP THREAD

Learn More

Datasheet

980In Stock

HK$1.89

HK$1.45

HK$1.31

HK$1.13

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M4 x 0.7

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-RM4-2ZI, RAMP THREAD

S-RTM4-2ZI
PEM
1: HK$1.89
9,993Expected 18/11/2026

Mfr. Part No.
S-RTM4-2ZI

Mouser Part No
153-S-RTM4-2ZI

PEM

Screws & Fasteners S-RM4-2ZI, RAMP THREAD

Learn More

Datasheet

9,993Expected 18/11/2026

HK$1.89

HK$1.36

HK$1.23

HK$1.07

View

Min.: 1
Mult.: 1

Nuts

Self Clinching

M4 x 0.7

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-0420-1ZI, RAMP THREAD

S-RT0420-1ZI
PEM
10,000: HK$1.76
71,000Factory Stock Available

Mfr. Part No.
S-RT0420-1ZI

Mouser Part No
153-S-RT0420-1ZI

PEM

Screws & Fasteners S-0420-1ZI, RAMP THREAD

Learn More

Datasheet

71,000Factory Stock Available

More Info Available

HK$1.76

Min.: 10,000
Mult.: 1,000

Nuts

Self Clinching

1/4-20

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-440-1ZI, RAMP THREAD

S-RT440-1ZI
PEM
10,000: HK$0.773
24,950Factory Stock Available

Mfr. Part No.
S-RT440-1ZI

Mouser Part No
153-S-RT440-1ZI

PEM

Screws & Fasteners S-440-1ZI, RAMP THREAD

Learn More

Datasheet

24,950Factory Stock Available

More Info Available

HK$0.773

Min.: 10,000
Mult.: 1,000

Nuts

Self Clinching

4-40

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-832-1ZI, RAMP THREAD

S-RT832-1ZI
PEM
10,000: HK$0.83
14,920Factory Stock Available

Mfr. Part No.
S-RT832-1ZI

Mouser Part No
153-S-RT832-1ZI

PEM

Screws & Fasteners S-832-1ZI, RAMP THREAD

Learn More

Datasheet

14,920Factory Stock Available

More Info Available

HK$0.83

Min.: 10,000
Mult.: 1,000

Nuts

Self Clinching

8-32

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-M3-0ZI, RAMP THREAD

S-RTM3-0ZI
PEM
10,000: HK$0.773
16,530Factory Stock Available

Mfr. Part No.
S-RTM3-0ZI

Mouser Part No
153-S-RTM3-0ZI

PEM

Screws & Fasteners S-M3-0ZI, RAMP THREAD

Learn More

Datasheet

16,530Factory Stock Available

More Info Available

HK$0.773

Min.: 10,000
Mult.: 1,000

Nuts

Self Clinching

M3 x 0.5

4.22 mm

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners S-M6-0ZI, RAMP THREAD

S-RTM6-0ZI
PEM
10,000: HK$1.76
13,155Factory Stock Available

Mfr. Part No.
S-RTM6-0ZI

Mouser Part No
153-S-RTM6-0ZI

PEM

Screws & Fasteners S-M6-0ZI, RAMP THREAD

Learn More

Datasheet

13,155Factory Stock Available

More Info Available

HK$1.76

Min.: 10,000
Mult.: 1,000

Nuts

Self Clinching

M6 x 1

Carbon Steel

Zinc

Round, Knurled

Screws & Fasteners

SS-RT032-0ZI
PEM
10,000: HK$0.945
93,000Factory Stock Available

Mfr. Part No.
SS-RT032-0ZI

Mouser Part No
153-SS-RT032-0ZI

PEM

Screws & Fasteners

Learn More

Datasheet

93,000Factory Stock Available

More Info Available

HK$0.945

Min.: 10,000
Mult.: 1,000

Nuts

Self Clinching

10-32

Carbon Steel

Zinc

Round, Knurled

RT™ Free-Running Locknuts

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