
Core Drill Motor Number: DBM22
Product specification:
MAX. Ø | 250 mm |
Voltage | 110V / 220V, 50-60 Hz |
Power (Input/Output) | 2200w / 1500w |
Dril bit connection | ½" inside  / 1¼" outside |
Safety | PRCD |
Weight | 9.2 kg |
DBM 22
 | 1-SPEED | 2-SPEED | 3-SPEED |
 RPM | 580 | 1400 | 2800 |
MAX.Ø Concrete | 200 | 80 | 40 |
MAX.Ø Stone | 250 | 102 | 80 |
1.Soft start2.Mechanical slipping clutch
3.Overloading protection controlled by electric clutch
4.PRCD -person residual current device
5.Oil level indicator
6.Oil change option
7.High accurate Gear Box
8.New material armature
Â
1. OEM production
2. Sample order
3. We will reply you for your inquiry in 24 hours.
4. after sending, we will track the products for you once every two days, until you get the products. When you got the goods, test them, and give me a feedback.If you have any questiones about the problem, contact with us, we will offer the solutions for you.
Q1. What is your terms of delivery?
A: EXW, FOB, CFR, CIF, DDU.
Q2. How about your delivery time?
A: Generally, it will take 10 to 40 days after receiving your payment. The specific delivery time depends on the items and the quantity of your order.
Q3. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.
Q4. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q5: How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from.
Q6:Are you a trading company or manufacturer?
A: We are manufacturer, and welcome to have factory inspection.
Q7: Where are our Advantages ?
A: 24 hours reponding / Professional in drawing\export \logistic  solutions / Competitive cost and quality in market.
Quenched And Tempered Steel Bar
Quenched and tempered steel bar is produced by quenching and tempering which is one kind of heat treatment to get high mechanical properties and hardness. Our advantages and more services of quenched and tempered steel bar includes:
1) Wide range of diameters from 10mm to 100mm
2) Customized Length from 100mm to 12000mm
3) Good surface roughness: 0.4um to 1.5um
4) Good straightness: 0.5mm/m to 2mm/m
5) Good roundness: 80% of diameter tolerance
6) Diameter tolerance: -0.02mm to -0.06mm/h9, h10, h11
7) Matched further processing: Grinding, polishing, straightening
8) Anti-rusty package
9) Full sets of testing equipment: Surface, Dimenstion. Mechanical properties testing
10) Fast delivery time
quenched and tempered steel, quenched and tempered steel bar,42CrMo4 qt steel bar,qt steel bar,4140 Q&T steel bar
SHANDONG LE REN SPECIAL STEEL CO., LTD. , https://www.sdhighstrengthsteelbolts.com