Tag Archives: EJOT

Marine Grade 316 (A4) Stainless Steel Bi-Metal Self-Drilling Screws

EJOT® SUPER-SAPHIR JT6 Self-Drilling Screws

EJOT® SUPER-SAPHIR JT6 self-drilling screws are made from Marine Grade 316 Stainless Steel Bi-Metal. They feature a screw head and threads that are made of 316 stainless steel, providing exceptional corrosion protection and superior ductility. SUPER-SAPHIR JT6 self-drilling screws have a classic drill point and are designed to drill, form the thread and fasten components in one work step. The drill point is made of hardened carbon steel that is welded to the body. This allows JT6 fasteners to drill and tap steel up to 1/2 thick.  EJOT® SUPER-SAPHIR JT6 self-drilling screws are completed by an optional pre-assembled sealing washer.

EJOT® SUPER-SAPHIR Self-Drilling Screws Features

  • High-quality grade 316 stainless steel, ISO group A4, DIN 1.4401
  • High-quality case hardened carbon steel drill point to DIN standard 10666
  • Available with pre-assembled stainless steel EPDM vulcanized sealing washer for a safe seal every time
  • Free spin zone (near the head of the screw) for a reliable positive connection (only side lap screws)
  • Drill point with small dead center prevents misalignment on the component surface

EJOT_SuperSaphirScrewDiagramSUPER-SAPHIR JT6 Self-Drilling Screws

 

New Product Release – *Only Available at Tanner*

Proper Selection of SUPER-SAPHIR JT6 Self-Drilling Screws

To properly select your SUPER-SAPHIR JT6 Self-Drilling Screws, you must take into account the clamping thickness and required drilling performance.EJOT_ClampThicknessDiagram

Clamp Thickness

To calculate the clamp thickness, you take the thickness of the attachment (a) PLUS (+) the strength of the substructure.

The following formula can be used: Clamp Thickness Greater than or Equal to (a) + 6mm.

Drilling PerformanceEJOT_DrillingPerformanceDiagram

The drilling performance is calculated from the thickness of the components to be drilled.

The following formula can be used for Direct Bearing Surface (trapezoidal profile to steel substructure): t = component (tI) + component (tII).

The following formula can be used for Sandwich Panels: t = component (tII).

Get Increased Reliability with Sealing Washers

EJOT recommends using the sealing washers with SUPER-SAPHIR JT6 Self-Drilling Screws that are used in unweathered areas. The risk of damaging the screw joint with improper installation (excessive tightening torque, slightly sloped clamping) is significantly reduced when sealing washers are used. Clamp load and tensile stress, are also limited in the screw when using the sealing washers. The sealing washer will also help eliminate a direct exposure of the joint (protective surface coating damaged by the fastening process) – significantly dropping the risk of operational, hydrogen-induced embrittlement failure.

EJOT_SealingWasherInstallationDiagram

Correctly Install JT6 Self-Drilling Screws with Sealing Washers

When installing SUPER-SAPHIR JT6 Stainless Steel Self-Drilling Screw with Sealing Washers, depth control must be used. Adjustable depth control will prevent the deformation of the sealing washer (washer with elastomer seal). If the sealing washer is properly installed, you may see the rubber seal overlap. But if the metal back of the sealing washer changes from convex to concave, the screw was installed too tight.

slider_EJOTMarineGrade316Screws
EJOT Marine Grade 316 Stainless Steel Bi-Metal Self-Drilling Screws Available Now at Tanner

Do I Really Need Special Fasteners for My Solar Panels?

Source: http://www.sxc.hu/profile- /hovard

 

Do you really need a lock on your door? Statistically speaking, depending on where you live, your lock may never be tested by a burglar. It may never serve its created purpose.  The greatest accomplishment it may boast is that it kept practical jokesters, like your fraternity brothers, at arm’s length. But should a thief or criminal try to open your door, whether or not you are at home, you will be glad the lock is there. The peace of mind is worth far more than the cost of the lock.  Some people go so far as to install an alarm system in their home, just on the chance somebody might break-in. They are not paranoid; they are protecting their investment. The same could be said of solar panel fasteners.

Solar panels provide a great return on the investment, but the initial cost can be sizeable. What if somebody decided to climb up on top of your roof and help themselves to your solar panels? In a day and age when thieves are brazen enough to steal copper tubing from church properties, it is not farfetched to think solar panels could be the next hot underground market item. If all it takes to protect your investment (and your peace of mind) is a specialty fastener, it makes no sense to use anything else. There are no guarantees in life, but you might as well make it more difficult for someone to take what rightfully belongs to you.

EJOT 3130851905 Solar Fastening System

Secure solar panel installation involves more than simply securing the panels to your roof. Truly secure installation includes methods that keep your property safe from thieves, too. Basic solar panel rack systems use regular, commercial hardware to fasten the panels to the racks. This means that anyone with a wrench the proper size could remove them. Security fasteners, on the other hand, require a special tool, making it more difficult for the average person to remove them without using something drastic like a grinding wheel to detach the panels. And any resident is sure to hear a grinding wheel being used on the roof.

When the philosopher, Socrates, was asked a question by one of his students, he typically responded with another question. The method came to be known as the Socratic method and is still used in educational circles today. So, to answer the question, “Do I really need special fasteners for my solar panels?” consider the following questions:

  • Does an automobile need a car alarm in order to function?
  • Does a house need dead bolts in order to be structurally sound?
  • Does your Wi-Fi need a password in order to connect to the Internet?

The answer, of course, is no. Your solar panels will collect solar energy whether or not they are installed with security fasteners. However, when you consider how the fasteners protect your investment, you quickly realize what a wise decision it would be to insist on them.