product description
band perforated
special type used in air condition.
12.7mm bandwidth
Diverse clamping applications for the aircraft, automotive, truck and heavy-duty vehicle, industrial, hardware, plumbing and marine industries.Our company manufactures one of the most comprehensive lines of perforated worm-drive and T-Bolt/V-Band hose clamps available in the world.

Material Specifications

Screw: 5/16" hex head. Carbon steel or 400/200/300 grade stainless steel.
Band: bandwidth 1/2. or according to your requirements. Carbon steel or 400/200/300 grade stainless steel.
Housing: Carbon steel or 400/200/300 grade stainless steel.
You also couldfreely combine the above material.


Sizing/ Clamping Range Chart:

SAE Sizes	min.dia.(in.)	max.dia.(in.)	min.dia.(mm)	max.dia.(mm)
6	3/8	7/8	10	22
8	7/16	1	11	25
10	1/2	1-1/16	13	27
12	1/2	1-1/4	13	32
16	11/16	1-1/2	18	38
20	3/4	1-3/4	19	44
24	1	2	25	51
28	1-1/4	2-1/4	32	57
32	1-1/2	2-1/2	38	63
36	1-3/4	2-3/4	44	70
40	2	3	51	76
44	2-1/4	3-1/4	57	82
48	2-1/2	3-1/2	64	89
52	2-3/4	3-3/4	70	95
56	3	4	76	101
60	3-1/4	4-1/4	83	108
64	2-1/2	4-1/2	64	114
72	3	5	76	127
80	3-1/2	5-1/2	89	140
88	4	6	102	152
96	4-1/2	6-1/2	114	165
104	5	7	127	178

The products










Installation Tools











Standard Package









our purpose

As a manufacturer of Hose Clampsfor 9 years ,we focus on high quality products and insist on theprinciple of equality and mutual benefit,we will pay high attention toeach inquiry and quote you with the fastest speed.


Welcome to Ningbo Tianyin Electric Co.,ltd.