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Countersunk Head LR Machine Screw【500-2,000 Pieces Per Package】

Countersunk Head LR Machine Screw

[Basic shape] Flat head
[Mount hole shape] LR (slot recess)
[Basic shape] Standard (round)
[Material] Steel
[Thread ridge type] Metric coarse
[Tip shape] Flat tip
[Additional shape] Standard
[Sales unit] box / pack
[Thread type] full-thread screw
[Nominal designation (M)] 2 3 4 5
[Length (mm)] 5 6 8 12 16
[Pitch (mm)] 0.4 0.5 0.7 0.8
[Surface treatment] None, trivalent chromate, trivalent black, trivalent white, bright chromate plating, chromate plating, black chromate, nickel plating, chrome plating
[Usage] Standard tamper prevention.

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Part Number

Configured Part Number is shown.

Part Number
CSLRCSH-ST3B-M3-6
CSLRCSH-ST3B-M5-16
CSLRCSH-ST3W-M3-6
CSLRCSH-ST3W-M5-16
CSLRCSH-STC-M3-6
CSLRCSH-STC-M4-8
CSLRCSH-STN-M3-8
CSLRCSH-STN-M4-12
CSLRCSH-STU-M4-8
Part NumberStandard Unit PriceNumber of pc(s). included in pkg.Minimum order quantityVolume DiscountDays to ShipRoHSNominal of Thread (M) Length L
(mm)
Pitch
(mm)
Surface Treatment

MYR 337.14

2,000 Pieces Per Package

1 Pack(s) 5 Day(s) or more 10360.5[Trivalent Chromate] Trivalent Black

MYR 168.56

500 Pieces Per Package

1 Pack(s) 5 Day(s) or more 105160.8[Trivalent Chromate] Trivalent Black

MYR 206.77

2,000 Pieces Per Package

1 Pack(s) 5 Day(s) or more 10360.5[Trivalent Chromate] Trivalent White

-

500 Pieces Per Package

1 Pack(s) 5 Day(s) or more 105160.8[Trivalent Chromate] Trivalent White

MYR 187.89

2,000 Pieces Per Package

1 Pack(s) 5 Day(s) or more -360.5[Chromate Plating] Chromate Plating

MYR 83.60

1,000 Pieces Per Package

1 Pack(s) 5 Day(s) or more -480.7[Chromate Plating] Chromate Plating

MYR 191.49

2,000 Pieces Per Package

1 Pack(s) 5 Day(s) or more 10380.5[Nickel Plating] Nickel Plating

MYR 142.50

1,000 Pieces Per Package

1 Pack(s) 5 Day(s) or more 104120.7[Nickel Plating] Nickel Plating

MYR 83.60

1,000 Pieces Per Package

1 Pack(s) 5 Day(s) or more -480.7[Bright Chrome Plating] Bright Chromate Plating

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Basic Information

Drive Type LR (line recess) Detailed Shape Disc Basic Shape Standard (Round)
Material Steel Thread Type Metric coarse Tip Shape Flat End
Additional Shape Standard Sales Unit Box/package Application Standard / Tamper-proof
Screw Type Complete thread

Frequently asked question (FAQ)

Question: What is a Line Recess (LR)?
Answer: The Line Recess (LR) is designed to improve torque transmission efficiency and prevent cam-out.
LR is often used in general small screws and is particularly beneficial in applications that require high torque without slippage These screws are commonly used in various industries, including electronics and machinery, where secure and efficient fastening is critical
Question: How does a tamper-proof screw differ from a standard screw?
Answer: A tamper-proof screw like this one needs a special tool, unlike standard screws that can be removed with common tools.
Question: What is the standard torque requirement for this screw?
Answer: Torque values depend on the material being fastened, but standard M5 torque guidelines for metric coarse threads should be followed.

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