Working Thoery of Hot-fitting Toolholder:
By using the differences of thermal expansivity between special stainless steel and carbide tools, to realize the
clamp and assembly of tools.
The hot-fitting toolholder is made of special non-welding steel, which has low hot-fitting temperature, long service
life, stable clamping force and high precision.
| Item |
Insight Hot Shrink Toolholder |
Other Brand Shrink Toolholder |
| Material |
special stainless steel |
mold steel |
| Heat-resistence Temperature |
720° |
580° |
| Hot-fiitting Temperature |
below 430° |
690°, overheating |
| Service LIfe |
long, lower hot-fiitting temperature |
short,the holder is easy to be blackening |
| Rigidity |
High |
Low, working performance is not good |
| Chucking Power |
Strong, 3 times than other holders |
Low |
| Precision |
simple structure with high percision |
need other accessories to be used together |
Types: integrated type/ split type / straight shank type
What tools can be used together with the shrink fit toolholder?
Hot-fitting Collet ECS12 Slim Type
| Model |
φD |
φC |
t |
L |
M |
φC1 |
H |
Kg |
| ECS12-3-35 |
3 |
6 |
1.5 |
35 |
22 |
8.4 |
10 |
0.2 |
| ECS12-3-55 |
55 |
42 |
10.5 |
| ECS12-3-80 |
80 |
67 |
13.1 |
| ECS12-3-110 |
110 |
97 |
16.2 |
| ECS12-3.175-35 |
3.175 |
6.175 |
1.5 |
35 |
22 |
8.5 |
10 |
0.2 |
| ECS12-3.175-55 |
55 |
42 |
10.6 |
| ECS12-3.175-80 |
80 |
67 |
13.2 |
| ECS12-3.175-110 |
110 |
97 |
16.4 |
| ECS12-4-35 |
4 |
7 |
1.5 |
35 |
22 |
9.4 |
12 |
0.2 |
| ECS12-4-55 |
55 |
42 |
11.5 |
| ECS12-4-80 |
80 |
67 |
14.1 |
| ECS12-4-110 |
110 |
97 |
17.2 |
| ECS12-6-35 |
6 |
9 |
1.5 |
35 |
22 |
11.4 |
18 |
0.2 |
| ECS12-6-55 |
55 |
42 |
13.5 |
| ECS12-6-80 |
80 |
67 |
16.1 |
| ECS12-6-110 |
110 |
97 |
19.2 |
| ECS12-8-35 |
8 |
11 |
1.5 |
35 |
22 |
13.4 |
24 |
0.2 |
| ECS12-8-55 |
55 |
42 |
15.5 |
| ECS12-8-80 |
80 |
67 |
18.1 |
| ECS12-8-110 |
110 |
97 |
21.2 |
0.3 |
| ECS12-10-35 |
10 |
13 |
1.5 |
35 |
22 |
15.4 |
30 |
0.2 |
| ECS12-10-55 |
55 |
42 |
17.5 |
| ECS12-10-80 |
80 |
67 |
20.1 |
| ECS12-10-110 |
110 |
97 |
23.2 |
0.3 |
| ECS12-12-35 |
12 |
15 |
1.5 |
35 |
22 |
17.4 |
30 |
0.2 |
| ECS12-12-55 |
55 |
42 |
19.5 |
| ECS12-12-80 |
80 |
67 |
22.1 |
| ECS12-12-110 |
110 |
/ |
/ |
0.3 |
Collet ECS12 Standard Type
| Model |
φD |
φC |
t |
L |
M |
φC1 |
H |
Kg |
| ECR12-3-35 |
3 |
7.5 |
2.25 |
35 |
22 |
9.9 |
10 |
0.2 |
| ECR12-3-55 |
55 |
42 |
12 |
| ECR12-3-80 |
80 |
67 |
14.6 |
| ECR12-3-110 |
110 |
97 |
19.2 |
| ECR12-4-35 |
4 |
10 |
3 |
35 |
22 |
12.4 |
12 |
0.2 |
| ECR12-4-55 |
55 |
42 |
14.5 |
| ECR12-4-80 |
80 |
67 |
17.1 |
| ECR12-4-110 |
110 |
97 |
20.2 |
| ECR12-4-130 |
130 |
117 |
22.3 |
| ECR12-6-35 |
6 |
12 |
3 |
35 |
22 |
14.4 |
18 |
0.2 |
| ECR12-6-55 |
55 |
42 |
16.5 |
| ECR12-6-80 |
80 |
67 |
19.1 |
| ECR12-6-110 |
110 |
97 |
22.2 |
| ECR12-6-130 |
130 |
117 |
24.3 |
| ECR12-8-35 |
8 |
14 |
3 |
35 |
22 |
16.4 |
24 |
0.2 |
| ECR12-8-55 |
55 |
42 |
18.5 |
| ECR12-8-80 |
80 |
67 |
21.1 |
| ECR12-8-110 |
110 |
97 |
24.2 |
0.3 |
| ECR12-8-130 |
130 |
/ |
/ |
| ECR12-10-35 |
10 |
16 |
3 |
35 |
22 |
18.4 |
30 |
0.2 |
| ECR12-10-55 |
55 |
42 |
20.5 |
| ECR12-10-80 |
80 |
67 |
23.1 |
| ECR12-10-110 |
110 |
/ |
/ |
0.3 |
| ECR12-10-130 |
130 |
/ |
/ |
| ECR12-12-35 |
12 |
20 |
4 |
35 |
22 |
22.4 |
30 |
0.3 |
| ECR12-12-55 |
55 |
42 |
24.5 |
| ECR12-12-80 |
80 |
/ |
/ |
| ECR12-12-110 |
110 |
/ |
/ |
| ECR12-12-130 |
130 |
/ |
/ |
Shenzhen Chenri Precision Hardware Tools Co., Ltd was founded in 2010, specializing in various kinds of CNC machine
tools, such as carbide mill tools, drill bits, boring tools, CNC carbide inserts, collet chucks, HSS taps, toolholders.
With more than 13 years experience in this industry, it gains great achivements: its products are not only popular in domestic
market, but also in overseas market. Till now, the tools are sold abroad, like the area of North America, Southeast Asia,
Mideast, Europe and Oceania.
The company locates in Shenzhen, one of the biggest commercial center in China, with convenient international transportation,
safe and reliable payment system, experienced engineers and sales team are able to provide superior service for customers.
PACKAGE
1. Our general package: plastic box inside, then pack with carton box outside, sometimes will be wrapped with
bubble bags. For heavy and large volume cargo which are shipped by ocean, we may pack with wood crate outside
to protect products from being damaged or wet.
2. Customized package is available, just provide us with your detailed requirements.
SHIPPING OPTIONS:
1. Express: for most small and light cargo, ship them by express is more suitable, such as Fedex,
DHL,TNT, UPS, EMS, it takes 3-5 days to arrive.
2. By Air: for some items that you are in urgent, we can arrange shipment by air, it takes 5-7 days to arrive.
3. By ocean: it is suitable for some heavy and large volume cargo, if you are not so urgent, sea shipment
is the most economic way for you.
We have cooperative shipping company which have discounts, please contact us for more details.
Q1. Are you trading company or manufacturer?
A1:We are source facory which covers an area of 6500 square meters,welcome to visit us at any time.
Q2: Do you produce special cutting tools?
A2: Yes, we provide OEM/ODM service for customers, just send us your design drawings if you have any customized items need
to be made.
Q3:Do you accept low volume for sample order? And what's your MOQ for special tools?
A3: Yes, our MOQ is 1 piece, and the sample lead time is 3 days. It can be negotiated for special requirement.
Q4: If we want to work with you, is it possible to get confidentiality?
A4: Sure, all your information including company info, drawings, PO details will be kept confidential, we can signed non disclosure agreement
Q5: How long of the lead time?
A5: for standrad items we have in stock, the lead time is within 3 days.
for non-standrad items need to be customized made, the lead time is within 7-15 days.
Q6: Is free shipping possible?
A6: We don't offer free shipping service,but we will give you some discount if you buy large quantity products.
We have discount on shipping cost from our courier companies,can offer you the cheapst shipping cost
Audited Supplier 
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