TO Cold-Pressed Uninsulated Ring Terminal Series-Zhejiang Zhente Technology Co., Ltd.

Product Details
Parameter

Key Features

The closed-ring construction supports fixed screw or stud connections.

Uninsulated terminal bodies are available for a wide range of conductor sizes.

Multiple ring-hole dimensions support different mounting requirements.

Tin plating is applied to the copper terminal body.

Applications

Battery cable assemblies Electrical distribution equipment Control-panel wiring Industrial machinery Vehicle power wiring.

Ordering & Quotation Information

Please provide the conductor size, required ring-hole or stud size, selected RNB part number, terminal dimensions, and quantity. We can identify the suitable uninsulated ring terminal version.

FAQ

Q1: Why choose a ring terminal for a fixed connection?
The closed ring remains captured beneath the fastener after tightening.

Q2: What wire range does the series cover?
The TO series covers 0.5–38 mm² conductors, depending on the selected version.

Q3: Is this terminal insulated?
No. The TO Cold-Pressed Uninsulated Ring Terminal Series is supplied without insulation.

Q4: What information is needed for quotation?
Please provide the wire size, stud requirement, part number, and purchasing quantity.

Request a Quote

Contact us with your mounting and wire requirements for the listed product. We will confirm the suitable version and quotation.

Item	Parameter
Series	RNB / TO type
Product type	Uninsulated ring terminal
Terminal body	Copper
Plating	Tin
Insulation	None
Applicable wire range	0.5–38 mm², variant-dependent
Applicable wire gauges	AWG 22–2, variant-dependent
Maximum current	19A–160A, variant-dependent
Stud sizes	Multiple metric and American sizes
Crimping tool	ZT-101 or ZT-38, variant-dependent
Supply quantity	50–1,000 pcs/pack, variant-dependent
Certifications	CE, cULus, RoHS, CQC, IATF 16949, ISO

ITEM NO.	Studsize		Dimendion(mm)								PCS/PACK	CrimpingTool	EXPLANATION
	Metric	American	d2	B	F	L	E	D	d	T
RNB1.25-3	3	#4	3.2	5.7	5	12.8	5	3.4	1.9	0.75	1000	ZT-101	Wirerange:0.5-1.5mm² Maxcurrent:19A A.W.G:(22-16)
RNBS1.25-3.5	3.5	#6	3.7
RNBM1.25-3.5	3.5	#6	3.7	6.5	6.3	14.5
RNBS1.25-4	4	#8	4.3
RNBL1.25-4	4	#8	4.3	8	6.8	15.8
RNBS1.25-5	5	#10	5.3
RNBL1.25-5	5	#10	5.3	9.8	8	17.8
RNBS1.25-6	6	1/4"	6.4
RNB1.25-6	6	1/4"	6.4	11.6	11	21.8
RNB1.25-8	8	5/16"	8.4
RNB1.25-10	10	3/8"	10.5	13.6	14	25.5
RNB1.25-12	12	1/2"	13	19.2		30.5
RNB2-3	3	#4	3.2	6.6	4.6	13	5	4	24	0.8	1000	ZT-101	Wirerange:1.5-2.5mm² Maxcurrent:27A A.W.G:(16-14)
RNB2-3.5	3.5	#6	3.7
RNBM2-3.5	3.5	#6	3.7		6	14.3
RNBS2-4	4	#8	4.3
RNBL2-4	4	#8	4.3	8.5	7.7	17
RNBS2-5	5	#10	5.3
RNBL2-5	5	#10	5.3	9.5	7.2
RNB2-6	6	1/4"	6.4	12	11	22
RNB2-8	8	5/16"	8.4
RNB2-10	10	3/8"	10.5	13.6	14	25.5
RNB2-12	12	1/2"	13	19.2	16	30.4
RNB3.5-4	4	#8	4.3	8	8	18.3	6.3	5	3	1	1000	ZT-101	Wirerange:2.5-4mm² Maxcurrent:37A A.W.G:(14-12)
RNBS3.5-5	5	#10	5.3
RNBL3.5-5	5	#10	5.3	12	9.3	21.5
RNB3.5-6	6	1/4"	6.4
RNB3.5-8	8	5/16"	8.4	15	13.5	27.3
RNB3.5-10	10	3/8"	10.5
RNB3.5-12	12	1/2"	13	20	15.5	31.5

ITEMNO.	Studsize		Dimendion(mm)								PCS/PACK	CrimpingTool	EXPLANATION
ITEMNO.	Metric	American	d2	B	F	L	E	D	d	T	PCS/PACK	CrimpingTool	EXPLANATION
RNB5.5-3.5	3.5	#6	3.7	7.2	6	16.5	7.1	5.5	3.5	1	1000	ZT-101	Wirerange:4-6mm² Maxcurrent:48A A.W.G:(12-10)
RNBS5.5-4	4	#8	4.3	7.2	6	16.5
RNBL5.5-4	4	#8	4.3	9.5	8	19.8
RNB5.5-5	5	#10	5.3	9.5	8	19.8
RNB5.5-6	6	1/4"	6.4	12	10.5	23.5
RNB5.5-8	8	5/16"	8.4	15	13.3	28
RNB5.5-10	10	3/8"	10.5	15	13.3	28
RNB5.5-12	12	1/2"	13	19.2	16	32.5					500
RNB8-4	4	#8	4.3	8.8	10.5	23.5	8.7	7	4.6	1.2	500	ZT-38	Wirerange:6-10mm² Maxcurrent:62A A.W.G:(8)
RNBS8-5	5	#10	5.3	8.8	10.5	23.5
RNBM8-5	5	#10	5.3	12	9	23.7
RNBS8-6	6	1/4"	6.4	12	9	23.7
RNBL8-5	5	#10	5.3	15	14	30.2					250
RNBL8-6	6	1/4"	6.4
RNB8-8	8	5/16"	8.4
RNB8-10	10	3/8"	10.5
RNB8-12	12	1/2"	13	22	20	39.7					200
RNB14-4	4	#8	4.3	12	13	29.5	10.6	9	6.2	1.4	250	ZT-38	Wirerange:10-16mm² Maxcurrent:88A A.W.G:(62)
RNB14-5	5	#10	5.3
RNBS14-6	6	1/4"	6.4
RNBL14-6	6	1/4"	6.4	16	14	32.6
RNB14-8	8	5/16"	8.4
RNB14-10	10	3/8"	10.5
RNB14-12	12	1/2"	13	22	19.5	41					200
RNB14-16	16	5/8"	17	30	25.5	51					200

ITEMNO.	Studsize		Dimendion(mm)								PCS/PACK	CrimpingTool	EXPLANATION
	Metric	American	d2	B	F	L	E	D	d	T
RNBS 22-5	5	#10	5.3	12.1	14.5	32.7	12.2	11.5	8	1.7	250	ZT-38	Wirerange:16-25mm² Maxcurrent:115A A.W.G:(4)
RNBS 22-6	6	1/4"	6.4
RNBL 22-5	5	#10	5.3	16.5	13.7	34
RNBL 22-6	6	1/4"	6.4
RNB 22-8	8	5/16"	8.4
RNB 22-10	10	3/8"	10.5
RNB 22-12	12	1/2"	13	22	19.5	42.5					100
RNB 22-14	14	9/16"	15	30	25	52
RNB 22-16	16	5/8"	17
RNB 38-5	5	#10	5.3	15.3	18.5	39.8	14	13.5	9.5	1.8	100	ZT-38	Wirerange:38mm² Maxcurrent:160A A.W.G:(2)
RNBS 38-6	6	1/4"	6.4
RNBS 38-8	8	5/16"	8.4
RNBL 38-8	8	5/16"	8.4	22	17.5	42.5
RNBS 38-10	10	3/8"	10.5	15.5	18.5	40
RNBL 38-10	10	3/8"	10.5	22	17.5	42.7
RNB 38-12	12	1/2"	13
RNB 38-14	14	9/16"	15	30	24	52.5
RNB 38-16	16	5/8"	17

Company

Zhejiang Zhente Technology Co., Ltd.

Zhejiang Zhente Technology Co., Ltd. specializes in new energy components, with applications in energy storage batteries, new energy vehicles, cloud servers, aerospace, telecommunications and electrical fields.
As a national high-tech enterprise, we participated in drafting national standards for electric vehicle electrical safety, and hold provincial-level industrial design and technology research center status, as well as "Specialized, Refined, Differential, and Innovative" recognition. We operate independent mold design, automation equipment design, and experimental centers.

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