Hardness Testing File Set

  • 【Accurately measured value】-----Precision measurement circuit to ensure Indication error ± 0.5% (HLD = 800), showing the value of repeatability 0.8%.
  • 【Leeb hardness measurement】-----Based Leeb hardness measuring principle, can detect a variety of metal materials.
  • 【Supports a variety of standard hardness】-----Real-time display and conversion: Brinell HB, Rockwell HRC, Vickers HV, Shaw HS, and three kinds of intensity values.
  • 【Applicable Materials】-----Steel and cast steel, alloy tool steel, stainless steel, gray cast iron, nodular cast iron, cast aluminum alloy, copper zinc alloys (brass), an alloy of copper and tin, copper(bronze).
  • 【Application】-----1)Bearings and other parts.
  • 2)Failure analysis of pressure vessel, steam turbine generator group and equipment.
  • 4)Mechanical or permanent assembly installed.
  • 6)The original record of formal requirements on test results.
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Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc #10-24 - Qty 25

  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper..
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys..
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts..
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately.
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Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc #10-24 - QTY 100

  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper..
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys..
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts..
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately.
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Pawfly 3-Way Aquarium Air Flow Control Lever Valve Distributor Splitter Pump Accessories Set with 3 Check Valves & 4 Suction Cups

  • Manually control the flow of vital O2 or switch an air pump "on or off"..
  • Made of Chromium Copper material, air will never leak out. INLET DIA: 3/16", OUTLET DIA: 3/16"..
  • Non-Return Check Valves protect you air pump by preventing aquarium water from back siphoning during a power outage..
  • Suction Cups fit the Air Valve Distributor and standard tube well, sticking to the tank firmly..
  • Package Content: 1 x 3-Way Air Distributors, 3 x Non-Return Check Valves, 4 Suction Cups.
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SharkBite U256LFCP 3/4 Inch 90 Degree Elbow Push to Connect Pipe Fitting, 10 count, Brass

  • INSTALLS IN SECONDS: Repair with no special tools, soldering, crimping, or glue.
  • Just push to create a quick watertight union with SharkBite pushfit connectors.
  • VERSATILE: SharkBite plumbing fittings fit copper, CPVC, and PEX pipe and connect all 3 types in any combination.
  • LEAD-FREE: Made of high-quality forged DZR brass that is lead-free. Ball valves, shutoffs, and compression fittings, are safe for potable water lines.
  • PREFERRED BY THE PROS: All SharkBite fittings meet the same standards for commercial and residential plumbing applications.
  • MADE IN THE USA: All SharkBite valves, joints, and adapters are manufactured and tested in the USA.
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Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 1/4\-20 - Qty 25

  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper..
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys..
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts..
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately.
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Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 3/8\-16 - Qty 1

  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper..
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys..
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts..
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately.
Check Stock

Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 5/16\-18 - Qty 25

  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper..
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys..
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts..
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately.
Check Stock

Tri-Groove Tamper Proof Security Nuts Zamak 5 Zinc 5/16\-18 - Qty 100

  • Tri Groove Security Nuts are made of Zamak 5 Zinc Alloy (95% Zinc, 4% Aluminum, 1% Copper). Zamak is an alloy of Zinc and Aluminium, sometimes also incorporating Magnesium and Copper..
  • The added copper in Zamak 5 increases the strength, hardness, and corrosion resistance of the alloy, but reduces its ductility and dimensional accuracy compared to other Zamak Alloys..
  • Tri Groove nuts are also referred to as T Groove, Trident Drive and Coned Trident Drive Nuts..
  • May only be installed and remove using tri groove or trident drivers or sockets - Sold Separately.
Check Stock