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YIERYI 2 in 1 TDS Tester Multi-parameter Good Water Quality Monitor pH TDS Meter Features: Use to measure the PH & TDS of solution. Easy calibration of pH and TDS with just a mini-screwdriver. Separate pH and T...
...mini-screwdriver. Separate pH and TDS electrode, ATC function. Apply in water sources, aquarium, hydroponics, spas, swimming pools and other water systems. ......
... unit). Use to measure the pH & EC & TEMP of solution. Electrode probe can be replaced, ATC function. Easy to carry and simple to operate. Easy calibration of pH and EC with just a mini-screwdriver. Automati...
...Use to measure the pH & EC & TEMP of solution. Electrode probe can be replaced, ATC function. high cost performance Automatic temperature compensation. Easy calibration of pH and EC with just a mini-screwdri...
... unit) Use to measure the pH & EC & TEMP of solution Electrode probe can be replaced, ATC function Easy to carry and simple to operate Easy calibration of pH and EC with just a mini-screwdriver Automatic tem...
...all kinds of soil Large capacity batteries batteries:4*1.5v(AG13) not incl Use a small screwdriver to rotate the calibration fine adjustment until the display shows the desired value noted 1. too high or too...
... pan head machine screws are often used with nuts as well as driven into tapped holes. In practice, they tend to be mostly available in smaller sizes and the smaller sizes are referred to as screws or less a...
... SUS304, SUS316, A2-70, A2-80, A4-80, 4.8 6.8 8.8 10.9 12.9 Head Truss Thread Machine Screw Used Building industry machinery Question & Answer 1. Payment : T/T (30% T/T in advance and balance 70% against...
...pilot hole. Designed for use in soft steel or other metals. The points are numbered from 1 through 5, the larger the number, the thicker metal it can go through without a pilot hole. A 5-point can drill a 0....
...pilot hole. Designed for use in soft steel or other metals. The points are numbered from 1 through 5, the larger the number, the thicker metal it can go through without a pilot hole. A 5-point can drill a 0....
Phillips Recess Round Head With Step under Head Self Drilling Screw ,Cr3 Zinc Plated it has a drill-shaped point to cut through the substrate to eliminate the need for drilling a pilot hole. Designed for use in...
...Phillips Drive Truss Head Metric Machine screw Product Name cross recessed truss head machine screws Material stainless steel carbon steel Color plain, black or per customer's requirements. Standard D IN GB ...
... pan round others as your request driver phillips slotted pozidriv six-lobe others as your request standard ANSI JIS DIN ISO BS, GB The material selection of punch is mainly high-speed steel. The commonly us...
... used for the connection and fastening between wood boards and between wood boards and thin steel plates. Head type: flat head, countersunk head (csk ......
... under the head: Four RIBS (4 RIBS) and six RIBS (6 RIBS) do not have RIBS under the headtages Advantage: 1. Use good quality material to ensure the quality 2. Good plating and well finish 3. Straight, not e...
SS304 DIN7981 ST3.5*13mm phillips head self tapping screw Product Description The screw is the use of the object's beveled circular rotation and friction of physics and mathematical principles, step by step fas...
...Phillips screws are made from high quality carbon steel,strong and hardness,the wall screws'surface is galvanized,anti-corrosion,anti-rust.All the ribbed drywall anchors are made out of durable plastic t...
...Phillips screws are made from high quality carbon steel,strong and hardness,the wall screws'surface is galvanized,anti-corrosion,anti-rust.All the ribbed drywall anchors are made out of durable plastic t...
... your request driver phillips slotted pozidriv six-lobe others as your request standard ANSI JIS DIN ISO BS, GB The material selection of punch is mainly high-speed steel. The commonly used materials include...
...h a max. of 0.6mm thickness. Phillips No.2 recess for a positive drive Bugle head to reduce likelihood of damaging the board surface 25° super sharp point for ease of ......