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（Conforming wire size：250-300 MCM）

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	(1) (0) AMERICAN DENKI (0) DAIDO SOLDERLESS TERMINAL (4) ESCO (0) FUJI TERMINAL INDUSTRY (0) HIROSUGI-KEIKI (0) JST(JSTMFG) (0) KST (0) MIRAI INDUSTRY (0) NICHIFU TERMINAL INDUSTRIES (6) PANASONIC (0) PANDUIT (0) PHOENIX CONTACT (0) RS Pro (0) SUNHAYATO CORP (0) TE Connectivity (0) TRUSCO (0) WAGO (0) WEIDMULLER (0)
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Round Type (R Type) Naked Crimp Terminal For Copper Wire

Until 31/03/2025

Round Type (R Type) Naked Crimp Terminal For Copper Wire【10-20 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

A naked crimp terminal with a round contact surface (tongue section) and mounting holes for screw fixing. Use within the wire joining range.

[Features] Dedicated for copper wires.
· Each specification, namely the crimp terminal wire joining range and performance, supports JIS standard wiring (IV, KIV, VSF).

[Material] Terminal: oxygen-free copper (C1020) / tin electroplated

From: ฿ 2,200.00
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Round Terminal (R Type)【15 Pieces Per Package】

DAIDO SOLDERLESS TERMINAL

For copper wire, bare crimp terminal/round (R type)
[Features]
· Excellent repertoire of each part size and compatible with many terminal blocks.
[Application]
· General round crimp terminal.
· Cross-sectional area according to the electric wire and screw hole diameter according to the terminal block screw can be selected from many variations.

From: ฿ 1,730.25
Special Price
Days to Ship: 3 Day(s)

3 Day(s)

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Stripped Crimp Terminal Round Model【15 Pieces Per Package】

MISUMI

Stripped Crimp Terminal Round Model [15-1,000 Pieces Per Package]
There are many sizes to select from for this equipment, which is used for connecting wires to a terminal.
[Features]
• Compatible electric wire size (AWG): 28, 26-24, 22-16, 16-14, 12-10, 8, 6,4 and 2
• Compatible electric wire size (MCM): 250-300
• Compatible electric stranded wire size smallest/largest (mm²): 0.08 and 152.05
• Compatible electric single wire size smallest/largest (mm): 0.32 and 13.8
• Representative Standard: JIS (JQ0608003), UL (E74917), and CSA (LR66230)
[Applications]
It is used for connecting the wire and electric components.

From: ฿ 2,006.32
Days to Ship: 10 Day(s)

10 Day(s)

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Until 31/03/2025

CB-Type Bare Crimped Terminal【20 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

· Crimping terminal for breaker.
[Features]
· Bare crimp terminal for low voltage switches.
[Application]
· Ideal for breakers.

From: ฿ 3,583.33
Special Price
Days to Ship: Same day

Same day

Compare

Until 31/03/2025

Naked Crimp Sleeve - P Type【20 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

· Crimp terminal used to connect wires.
[Features]
· Connect electric wires by stacking them in a sleeve.
· P type for butt bonding with bare pressure bonding sleeve.
[Application]
· Ideal for connecting twisted wires of mild steel.

From: ฿ 2,914.91
Special Price
Days to Ship: 5 Day(s)

5 Day(s)

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Bare Crimp Sleeve for Copper Wires, Sleeve for Linear Superposition (P Type)【25 Pieces Per Package】

DAIDO SOLDERLESS TERMINAL

Crimp terminal for connection between electric cables.
[Features]
· Overlaps cables in the sleeve to crimp at a site.
[Applications]
· General overlapping sleeve. Size (sq) matching cables can be chosen from variations.

From: ฿ 2,060.38
Days to Ship: 9 Day(s)

9 Day(s)

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Straight Butt Weld Sleeve (B Type)【10 Pieces Per Package】

DAIDO SOLDERLESS TERMINAL

For copper wire. Bare crimp sleeve/straight butt weld (B) types
[Features]
· Crimped in two places with electric wires facing the stopper.
[Application]
· A general butt sleeve that allows you to select from a variety of sqs that match the electric wire.

From: ฿ 1,514.70
Days to Ship: 3 Day(s)

3 Day(s)

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Crimp Copper Pipe Terminal (D Type)【10 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

Crimp Copper Pipe Terminal (D Type) [5-200 Pieces Per Package]
There are many sizes of this equipment available for connecting wires to a terminal.
[Features]
• Compatible electric wire size (AWG): 8, 6, 4, 2, 1/0, 2/0, 3/0 and 4/0
• Compatible electric wire size smallest/biggest (MCM): 250 and 600
• Compatible electric stranded wire size smallest/biggest (mm²): 6.64 and 325
• Shape A 1 hole and B 2 holes
[Applications]
This tool is used to connect wires to terminals in electrical maintenance tasks

From: ฿ 6,884.00
Days to Ship: Quote

Quote

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Until 31/03/2025

Naked Crimp Sleeve - B Type【20 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

B type for naked crimp sleeve butt welding
[Features]
· B type for bare crimp sleeve butt matching
· Easy entry style (blade terminal with insulation coating)
[Application]
· Ideal for connecting electric wires

From: ฿ 4,684.00
Special Price
Days to Ship: Quote

Quote

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Bare Crimp Terminal for Copper Wires, Two-Holed Terminal (RD Type / Rectangular)【12 Pieces Per Package】

DAIDO SOLDERLESS TERMINAL

General-purpose crimp terminal used for connection of an electric wire to a terminal block.
[Features]
· Large contact area between a terminal block and a terminal.
[Applications]
· Size (sq) matching cable and screw hole size matching terminal block screw can be chosen from many variations.

From: ฿ 2,164.02
Days to Ship: 3 Day(s)

3 Day(s)

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Bare Crimping Terminal: RD Type【20 Pieces Per Package】

NICHIFU TERMINAL INDUSTRIES

"Bare Crimping Terminal: RD Type [5-50 Pieces Per Package]
This crimp terminal, with two holes punched together, is suitable for high voltage applications.
[Features]
• Compatible electric wire size (AWG): 2, 1/0, 2/0, 3/0 and 4/0
• Compatible electric wire size smallest/largest (MCM): 250 and 600
• Compatible electric for stranded smallest/largest (mm²): 26.66 and 325
• Representative Standard: JIS , UL and CSA
[Applications]
It is suitable for high voltage maintenance applications.
"

From: ฿ 5,667.00
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 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 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	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	You can add up to 6 items per a category to the compare list.Compare
Brand	NICHIFU TERMINAL INDUSTRIES	DAIDO SOLDERLESS TERMINAL	MISUMI	NICHIFU TERMINAL INDUSTRIES	NICHIFU TERMINAL INDUSTRIES	DAIDO SOLDERLESS TERMINAL	DAIDO SOLDERLESS TERMINAL	NICHIFU TERMINAL INDUSTRIES	NICHIFU TERMINAL INDUSTRIES	DAIDO SOLDERLESS TERMINAL	NICHIFU TERMINAL INDUSTRIES
Product Series	Round Type (R Type) Naked Crimp Terminal For Copper Wire【10-20 Pieces Per Package】	Round Terminal (R Type)【15 Pieces Per Package】	Stripped Crimp Terminal Round Model【15 Pieces Per Package】	CB-Type Bare Crimped Terminal【20 Pieces Per Package】	Naked Crimp Sleeve - P Type【20 Pieces Per Package】	Bare Crimp Sleeve for Copper Wires, Sleeve for Linear Superposition (P Type)【25 Pieces Per Package】	Straight Butt Weld Sleeve (B Type)【10 Pieces Per Package】	Crimp Copper Pipe Terminal (D Type)【10 Pieces Per Package】	Naked Crimp Sleeve - B Type【20 Pieces Per Package】	Bare Crimp Terminal for Copper Wires, Two-Holed Terminal (RD Type / Rectangular)【12 Pieces Per Package】	Bare Crimping Terminal: RD Type【20 Pieces Per Package】
CAD		2D	2D			2D	2D			2D
From	฿ 2,200.00 Special Price On Sale Until 31/03/2025	฿ 1,730.25 Special Price On Sale Until 31/03/2025	฿ 2,006.32	฿ 3,583.33 Special Price On Sale Until 31/03/2025	฿ 2,914.91 Special Price On Sale Until 31/03/2025	฿ 2,060.38	฿ 1,514.70	฿ 6,884.00	฿ 4,684.00 Special Price On Sale Until 31/03/2025	฿ 2,164.02	฿ 5,667.00
Days to Ship	Same day	3 Day(s)	10 Day(s)	Same day	5 Day(s)	9 Day(s)	3 Day(s)	Quote	Quote	3 Day(s)	8 Day(s)
Specifications
Shape	Round	Round	Round	Round	Sleeve ring type	Sleeve ring type	Sleeve ring type	Round	Sleeve ring type	Round	Round
Conforming wire size(AWG)	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM	250-300 MCM
Internal Diameter(φ)	8.4 ～ 28	8.4 ～ 28	10.5 ～ 21	8.4 ～ 13	19.5	-	-	13 ～ 14	19.5	14 ～ 16	14 ～ 16
Type	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal	Bare Crimp Terminal
Outer Diameter(mm)	36 ～ 42	36	36	22 ～ 25	26.4	-	-	37	26.4	36	36
Series	-	-	-	-	-	-	-	-	-	-	-
Insulation coating (color)	-	-	-	-	-	-	-	-	-	-	-
Insulation material	-	-	-	-	-	-	-	-	-	-	-
Overall Length(mm)	67.3 ～ 83.3	66 ～ 82	66 ～ 82	60.3 ～ 61.8	27	27	54	113 ～ 130	54	106	106
Features	-	-	-	-	-	-	-	-	-	-	-
Representative Standard	UL / JIS / CSA	UL / JIS / CSA	UL / JIS / CSA	-	UL / JIS / CSA	JIS / CSA	UL / JIS / CSA	-	UL / JIS / CSA	UL / JIS / 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.