Wire crimping and Soldering. Which one is better?

Wire crimping” has pros in that it is easy to install, the electricity can flow smoothly, and it can be used with various equipments. But the cons are that it costs money due to the tools used in the process. On the other hand, “Soldering” uses Flux to make electrical contact, which is cheaper than wire crimping. But the wire and contact point have less flexibility. If you use soldering in equipment that causes vibration, there is a risk of broken wires.

How many Wires can crimp together?

It is not recommended for pair multiple wires in one crimp terminal when wire crimping. Because crimp terminals are designed to work with a specific size of wire, when multiple wires are combined in one crimp, the holding force is reduced, resulting in heat at the terminal.

Should you twist the wire before crimping?

If stranded wire is used in wire crimping, The twisted method of copper wire before wire crimping will increase the surface density. The chance that a wire terminal will be loose or fall out after crimping is going to be reduced. and the risk of an electrical accident is also decreased.

Can you use plier for wire crimping?

It is not recommended to use pliers to crimp the wire except “Wire Crimper”. because there is a chance that the wire terminal will be loose or damaged, which is called “Bad Contact”. And when the equipment is running, the heat at the terminal is going to increase more than usual because electricity cannot flow smoothly. It will cause the ark to and melted wires. Therefore, should study how to use the crimping pliers properly to prevent the danger that may occur.

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Crimp Terminals（Shape：Enclosed type）

A crimp terminal is a connection part used by attaching to the end of a cable. There are various types such as bare crimp terminals,insulated crimp terminals, plug-in crimp terminals, etc. The main shapes are round, Y-type, sleeve-ring type, blade type, etc. There are two types: crimping using a dedicated tool, and connecting to the terminal block by insertion., therefore select the type according to the application and connection target. The structure and characteristics of the crimp terminals differ depending on the product, and there are various products available such as those with heat resistance that can be used for heater wires and heating wires, those that have guides that allow the cable to be inserted smoothly into the cylinder, those that are tin-plated and corrosion-resistant, etc. It is widely used for applications that require mating, such as internal wiring of industrial equipment, measuring instrument, FA control equipment, etc., connection between equipment, various electrical work, etc.

Configure

Specification/Dimensions

Shape
- Round
- Y Type
- Sleeve ring type
- Bar mold
- Blade type
- Flag Type
- Enclosed type
- Other
Clear

Conforming wire size(AWG)
1/0

#1/0

2

#2

2/0

#2/0

2×14

2ｘ14

2×16

2 × 18

2×18

2x20

2×20

2×22

3/0

#3/0

4

#4

4/0

#4/0

6

#6

7

8

#8

10

10-8

12

#12

12-10

12-10$18-16

12 to 10

#12 to 10

13-10

14

#14

16

16-20

16-14

16 x 2

16 to 14

16～14

#16 to 14

17

17-13

18

18-16

18 to 14

18 to 16

#18 to 16

20

20-18

20-16

20-14

20-10

20 to 14

20 to 16

20 to 18

20, 18

#20 to 18

22

22-20

22-18

22-16

#22-16

22-14

22-12

22 to 16

22～16

#22 to 16

22 to 18

22 to 20

24

24-20

24 to 20

24 to 22

26

26-24

26-22

26-18

26 to 18

26 to 22

#26 to 22

28

250-300 MCM

250 to 300MCM

#250/300MCM

300-350 MCM

#350MCM

400 MCM

400MCM

#400MCM

500-600 MCM

500 to 600MCM

#600/650MCM

42714
Clear

Internal Diameter(φ)
0.6

0.8

1

1.1000000000000001

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.8$3.5$5.2

2

2.2

2.3

2.4

2.5

2.7

2.8

2.9

3

3.1

3.2

3.3

3.4

3.5

3.7

3.8

3.9

3.95

4

4.16

4.3

4.4

4.5

4.7

4.8

5

5.2

5.3

5.4

5.5

5.8

6.1

6.3

6.35

6.4

6.5

6.6

6.73

7.5

7.7

8.2

8.3

8.4

9.4

10

10.3

10.4

10.5

11

11.4

12.7

13

13.3

14

14.5

15

16

16.4

17

19

19.5

21

23

24

25

28
Drawing

Clear

Type
- Bare Crimp Terminal
- Crimp Terminal With Insulation
- Insertion Type Connector
Clear

Outer Diameter(mm)
1

1.1

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2

2.05

2.1

2.2

2.3

2.4

2.5

2.6

2.7

2.9

3

3.1

3.2

3.3

3.4

3.5

3.6

3.7

3.8

3.9

3.95

3.96

4

4.1

4.2

4.3

4.5

4.6

4.7

4.8

4.9

5

5 x 3

5 × 3

5.1

5.2

5.4

5.5

5.5 x 3

5.5 × 3

5.6

5.7

5.8

5.9

6

6.2

6.3

6.35

6.4

6.5

6.5 x 3.6

6.5 × 3.6

6.6

6.7

6.8

6.9

7

7.1

7.2

7.3

7.4

7.5

7.6

7.7

7.8

7.9

8

8.1

8.3

8.4

8.5

8.7

8.9

9

9.4

9.5

9.6

9.7

10

10.5

11

11.3

11.5

11.6

11.8

12

12.3

12.4

12.5

12.6

13.2

13.3

13.4

13.49

13.5

13.6

14

14.5

15

15.3

15.5

16

16.5

17

17.5

18

18.5

19

19.2

19.5

20

21.5

22

22.1

22.3

24

25

26.4

26.5

27

27.5

28

28.5

30

31

32

32.4

32.7

36

37

37.6

38

38.5

42

44

45.5

49

50.5

53
Drawing

Clear

Series
- 110
- 187
- 250
- Pin Terminal
- Other
Clear

Insulation coating (color)
- Red
- Blue
- Green
- Yellow
- Transparent Yellow
- Transparent Red
- Transparent Blue
- Transparency
- White
- Other
- Orange
- Transparent Green
Clear

Insulation material
- Nylon
- Vinyl
- Other
- Polycarbonate
Clear

Overall Length(mm)
6

6mm

6.7

7.5

8

8.5

9.4

9.5

10

10mm

10.5

11

11.3

11.4

11.4mm

11.43mm

11.5

11.7

11.9

12

12.2

12.3

12.4

12.45mm

12.5

12.7

12.8

13

13.2

13.25

13.3

13.3mm

13.5

13.6

13.7

13.8

13.9

14

14mm

14.1

14.2

14.3

14.4

14.5

14.7

14.8

14.9

15

15.1

15.2

15.2mm

15.3

15.4

15.5

15.6

15.7

15.77mm

15.8

15.9

16

16.14mm

16.2

16.3

16.4

16.5

16.6

16.7

16.8

16.9

16.95

17

17mm

17.02mm

17.1

17.2

17.25mm

17.3

17.4

17.5

17.7

17.8

18

18.1

18.2

18.25

18.3

18.4

18.5

18.6

18.7

18.77mm

18.8

18.9

19

19mm

19.1

19.2

19.3

19.3mm

19.4

19.43mm

19.5

19.56mm

19.6

19.61mm

19.7

19.8

19.8mm

19.9

20

20mm

20.1

20.14

20.2

20.24mm

20.29mm

20.3

20.4

20.4mm

20.5

20.6

20.7

20.8

20.8mm

20.9

21

21mm

21.1

21.2

21.25

21.3

21.4

21.5

21.5mm

21.6

21.6mm

21.7

21.8

21.8mm

21.87mm

21.9

21.97mm

22

22mm

22.12mm

22.2

22.3

22.3mm

22.4

22.5

22.55

22.6

22.7

22.8

22.9

23

23mm

23.06mm

23.1mm

23.3

23.41mm

23.5

23.7mm

23.8

24

24mm

24.1

24.2

24.2mm

24.4

24.45

24.5

24.7

24.8

25

25.2

25.3

25.4

25.5

25.5mm

25.7

25.8

26

26mm

26.1

26.1mm

26.2

26.3

26.4

26.5

26.6

26.7

26.7mm

26.8

26.9

27

27mm

27.05mm

27.2

27.3

27.5

27.5mm

27.5$21.9$34

27.7

27.8

27.81mm

27.9

27.9mm

28

28mm

28.2

28.3

28.4

28.5

28.5mm

28.6

28.7

28.8

29

29.1

29.4

29.46mm

29.5

29.6

29.67mm

29.7

29.8

30

30.1

30.1mm

30.2

30.3

30.5

30.7

30.7mm

30.8

30.9

31

31mm

31.2

31.4

31.45mm

31.5

31.7

31.8

31.9

32

32.2

32.3

32.3mm

32.4

32.5

32.8

33

33.15

33.2

33.3

33.4

33.5

33.5mm

33.7

33.71

33.71mm

34

34.2

34.2mm

34.5

34.7

34.8

35

35.5

35.95

36

36.3

36.7

36.75

36.8

36.9

37

37mm

37.5

37.6

38

39

39mm

39.2

39.3

39.5

39.7

40

40mm

40.5

40.6

41

41mm

41.5

42

42.3

42.5

42.7

43

43mm

44

45

46.5

46.7

47

47.5

48

48.1

48.5

49

49.5

49.7

50

50.4mm

51

51.3

51.5

52

52.3

52.5

53

53.5

54

54.2

54.7

55

55.2

55.5

55.6

55.7

57

57.3

57.5

59

60

60.3

60.5

61.3

61.8

62.5

63

65

66

67

67.3

68

69

71

72

73.2

73.3

75

77

77.3

78

79

80

81

82

83.3

84

85

85.3

85.5

86

87

88

88.5

89

91

91.5

92

93

95

96

97

98

99

105

106

108

111

113

117

124

130

143

145
Drawing

Clear

Features
- Heat Resistant
- Waterproof
- Gold Plated
Clear

Representative Standard
- UL
- JIS
- CSA
Clear

Brand	(2) (0) AMERICAN DENKI (0) DAIDO SOLDERLESS TERMINAL (1) ESCO (0) FUJI TERMINAL INDUSTRY (0) HIROSUGI-KEIKI (0) JST(JSTMFG) (1) KST (0) MIRAI INDUSTRY (0) NICHIFU TERMINAL INDUSTRIES (3) PANASONIC (0) PANDUIT (0) PHOENIX CONTACT (0) RS Pro (2) SUNHAYATO CORP (0) TE Connectivity (0) TRUSCO (0) WAGO (0) WEIDMULLER (0)
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Insulation Crimp Terminal Closed-End Connector (Value Product)【100 Pieces Per Package】

MISUMI

Insulation Crimp Terminal Closed-End Connector (Value Product) [100 Pieces Per Package]
It is an equipment for wearing on the head of the stripped wire that is not use.
[Features]
• Compatible electric wire size (AWG): 16-20, 17-13 and 13-10
• Compatible electric stranded wire size smallest/largest (mm²): 0.5-1.25, 1.0-3.0, and 2.5-6.0
• Overall length (mm): 21 and 25.5
• Material: Nylon (JIS standard equivalent material is used)
[Applications]
It is an equipment for wearing on the head of the stripped wire that is not use.

From: ฿ 176.06
Days to Ship: Same day

Same day

Compare

Closed End Connector CE Type【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

Closed End Connector with Insulation Coating CE Type
[Features]
· Crimping terminal that has a shape in which one side of the insulation coating is closed.
· CE type with closed end connector with insulation coating.
[Application]
· Ideal for connecting multiple wires in the wiring inside the equipment.

From: ฿ 233.33
Days to Ship: Same day

Same day

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Insulated Crimp Terminal, Closed End Connector【100 Pieces Per Package】

MISUMI

Insulated Crimp Terminal, Closed End Connector【100 Pieces Per Package】
It is an equipment for wearing on the head of the stripped wire that is not use.
[Features]
• Compatible electric wire size (AWG): 22, 20, 18, 16, 14, 12 and 10
• Compatible electric wire size (mm²): 0.3, 0.5, 0.75, 1.25, 2.0, 3.0 and 5.5
• Representative Standard: JIS (JQ0608005), UL (E74917) and CSA (LR66230)
[Applications]
It is an equipment for wearing on the head of the stripped wire that is not use.

From: ฿ 216.39
Days to Ship: Same day

Same day

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Close-End Terminal with Insulating Coating

Until 31/03/2025

Close-End Terminal with Insulating Coating【1-500 Pieces Per Package】

JST(JSTMFG)

Insulated open-end general purpose connector.

From: ฿ 101.01
Special Price
Days to Ship: Same day

Same day

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Heat-Resistant Closed-End Connectors for Disaster Prevention

Until 31/03/2025

Heat-Resistant Closed-End Connectors for Disaster Prevention【100 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

[Features]
· Conventional time-consuming taping method is not required, thus saving work time.
· Passes the heat resistance test stipulated in Fire Department Notice No. 11, where 380°C is reached after 15 minutes.

From: ฿ 1,053.34
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

EC-Type Closed-End Connection Terminal【100-1,000 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

Closed-end connection terminal with insulation coating, EC type
[Features]
· EC type with closed end connector with insulation coating.
[Application]
· Ideal for connecting multiple stranded wires.

From: ฿ 271.67
Special Price
Days to Ship: Same day

Same day

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Insulation-Coated, Closed Connector End (CE)【100 Pieces Per Package】

DAIDO SOLDERLESS TERMINAL

This closed connector end adheres to JIS Standards.
[Features]
· Crimping in one place by stacking electric wires inside the sleeve.
· A crimp terminal that has an insulating coating attached in advance and has insulating and distinguishing properties.
[Application]
· A closed end connector equipped with a nylon insulation coating.

From: ฿ 236.13
Days to Ship: Same day

Same day

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RS PRO Closed End Splice Connector, Clear, Insulated, Tin 0.5 to 1.5 mm²

Until 30/09/2024

RS PRO Closed End Splice Connector, Clear, Insulated, Tin 0.5 to 1.5 mm²【100 Pieces Per Package】

RS Pro

Specifications
Splice Type = Closed End
Wire Size = 0.5 → 1.5 mm²
Maximum Wire Size mm² = 1.5mm²
Minimum Wire Size AWG = 22AWG
Insulation = Insulated
Colour = Clear
Insulation Material = Nylon
Contact Material = Copper
Contact Plating = Tin

From: ฿ 1,318.88
Special Price
Days to Ship: 8 Day(s)

8 Day(s)

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RS PRO Closed End Splice Connector, Clear, Insulated, Tin 2.5 to 6 mm²

Until 30/09/2024

RS PRO Closed End Splice Connector, Clear, Insulated, Tin 2.5 to 6 mm²【100 Pieces Per Package】

RS Pro

Specifications
Splice Type = Closed End
Minimum Wire Size mm² = 2.5mm²
Maximum Wire Size mm² = 6mm²
Minimum Wire Size AWG = 10 AWG, 12 AWG
Insulation = Insulated
Colour = Clear
Insulation Material = Nylon
Contact Material = Copper
Contact Plating = Tin

From: ฿ 1,656.71
Special Price
Days to Ship: 8 Day(s)

8 Day(s)


Brand
Product Series
CAD
From
Days to Ship
Specifications
Shape
Conforming wire size(AWG)
Internal Diameter(φ)
Type
Outer Diameter(mm)
Series
Insulation coating (color)
Insulation material
Overall Length(mm)
Features
Representative Standard

	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare	You can add up to 6 items per a category to the compare list.Compare Until 30/09/2024	You can add up to 6 items per a category to the compare list.Compare Until 30/09/2024
Brand	MISUMI	NICHIFU TERMINAL INDUSTRIES	MISUMI	JST(JSTMFG)	NICHIFU TERMINAL INDUSTRIES	NICHIFU TERMINAL INDUSTRIES	DAIDO SOLDERLESS TERMINAL	RS Pro	RS Pro
Product Series	Insulation Crimp Terminal Closed-End Connector (Value Product)【100 Pieces Per Package】	Closed End Connector CE Type【100 Pieces Per Package】	Insulated Crimp Terminal, Closed End Connector【100 Pieces Per Package】	Close-End Terminal with Insulating Coating【1-500 Pieces Per Package】	Heat-Resistant Closed-End Connectors for Disaster Prevention【100 Pieces Per Package】	EC-Type Closed-End Connection Terminal【100-1,000 Pieces Per Package】	Insulation-Coated, Closed Connector End (CE)【100 Pieces Per Package】	RS PRO Closed End Splice Connector, Clear, Insulated, Tin 0.5 to 1.5 mm²【100 Pieces Per Package】	RS PRO Closed End Splice Connector, Clear, Insulated, Tin 2.5 to 6 mm²【100 Pieces Per Package】
CAD			2D				2D
From	฿ 176.06	฿ 233.33	฿ 216.39	฿ 101.01 Special Price On Sale Until 31/03/2025	฿ 1,053.34 Special Price On Sale Until 31/03/2025	฿ 271.67 Special Price On Sale Until 31/03/2025	฿ 236.13	฿ 1,318.88 Special Price On Sale Until 30/09/2024	฿ 1,656.71 Special Price On Sale Until 30/09/2024
Days to Ship	Same day	Same day	Same day	Same day	Same day	Same day	Same day	8 Day(s)	8 Day(s)
Specifications
Shape	Enclosed type	Enclosed type	Enclosed type	Enclosed type	Enclosed type	Enclosed type	Enclosed type	Enclosed type	Enclosed type
Conforming wire size(AWG)	13-10 ～ 17-13	8 ～ 22-16	20-10 ～ 22-12	-	-	12-10 ～ 26-18	10-8 ～ 20-16	22 to 16	-
Internal Diameter(φ)	2.3 ～ 4	2.4 ～ 4.8	2.4 ～ 5	2.2 ～ 4.5	-	1.6 ～ 3.5	2.4 ～ 5	6.6	-
Type	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation	Crimp Terminal With Insulation
Outer Diameter(mm)	8 ～ 10	6.5 ～ 12	5 ～ 9	-	9.6 ～ 12.3	3.5 ～ 9.4	5 ～ 9	-	-
Series	-	-	-	-	-	-	-	-	-
Insulation coating (color)	-	White	-	-	Transparent Red	White	White	Transparency	Transparency
Insulation material	Nylon	Nylon	Nylon	Nylon	Other	Nylon	Nylon	Nylon	Nylon
Overall Length(mm)	21 ～ 25.5	18 ～ 28	20 ～ 28	15.2 ～ 28	20 ～ 22	13 ～ 23	20 ～ 28	18.1	24.1
Features	-	-	-	-	Heat Resistant	-	-	-	-
Representative Standard	-	UL / JIS / CSA	UL / JIS / CSA	UL / JIS / CSA	-	UL / CSA	UL / JIS / CSA	-	-

Related Categories to Crimp Terminals

- Crimp Terminals
- Crimp Terminals (Options, Others)

FAQ Crimp Terminals

Question: Wire crimping and Soldering. Which one is better?: Answer: Wire crimping” has pros in that it is easy to install, the electricity can flow smoothly, and it can be used with various equipments. But the cons are that it costs money due to the tools used in the process. On the other hand, “Soldering” uses Flux to make electrical contact, which is cheaper than wire crimping. But the wire and contact point have less flexibility. If you use soldering in equipment that causes vibration, there is a risk of broken wires.
Question: How many Wires can crimp together?: Answer: It is not recommended for pair multiple wires in one crimp terminal when wire crimping. Because crimp terminals are designed to work with a specific size of wire, when multiple wires are combined in one crimp, the holding force is reduced, resulting in heat at the terminal.
Question: Should you twist the wire before crimping?: Answer: If stranded wire is used in wire crimping, The twisted method of copper wire before wire crimping will increase the surface density. The chance that a wire terminal will be loose or fall out after crimping is going to be reduced. and the risk of an electrical accident is also decreased.
Question: Can you use plier for wire crimping?: Answer: It is not recommended to use pliers to crimp the wire except “Wire Crimper”. because there is a chance that the wire terminal will be loose or damaged, which is called “Bad Contact”. And when the equipment is running, the heat at the terminal is going to increase more than usual because electricity cannot flow smoothly. It will cause the ark to and melted wires. Therefore, should study how to use the crimping pliers properly to prevent the danger that may occur.