Wiha 26989 System 4 Hex Inch Precision Blade Set, 9 Piece

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Price: $37.54    

Product Feature

• ESD safe conductive collar locking anti-static handle
• Surface resistance 10.6 to 10.9 ohms
• Adjustable Blade lengths .6 inch to 3.75 inches
• System four sets come in compact fold out box
• Guaranteed quality, made in Germany

Product Description

Wiha 26989 system 4 hex inch precision blade set. Wiha ESD safe precision collet lock handle and eight Wiha interchangeable blades. Set includes the following blades, hex inch sizes 1/16, 5/64, 3/32, 7/64, 1/8, 9/64 and 5/32 inch.

Wiha 26989 System 4 Hex Inch Precision Blade Set, 9 Piece Review

Wiha 26989 System 4 Hex Inch Precision Blade Set, 9 Piece

Wiha makes some of the best precision tools and this set is no exception. This Wiha 26989 Precision Interchangeable System 4 Hex Blade Set, Torx, 9 Piece ESD Safe System is ideal for static sensitive electronics repair. I've used these tools flawlessly for a few years and keep coming back to them for handheld electronic repairs and without doubt these are the best tools that can be purchased. They are as good as Moody, if not better, and I've used both. Wiha has an ESD safe blade holding handle that uses a collet lock system in the handle itself, no magnetic fields, to keep the blades firmly in place.

Some of the Product Features are:

* ESD safe conductive collar locking anti-static handle
* Surface resistance 10.6 to 10.9 ohms
* Adjustable Blade lengths .6 inch to 3.75 inches
* System four sets come in compact fold out box
* Guaranteed quality, made in Germany
* Item Weight 5.6 ounces
* Product Dimensions 6.5 x 5 x 0.5 inches
* Wiha has been making Premium Tools For Over 60 Years
* Wiha tools are made to ISO quality standards
* Warranty Description: Product shall be free from defects in materials and workmanship upon delivery

Wiha 26989 system 4 hex inch precision blade set. Wiha ESD safe precision collet lock handle and eight Wiha interchangeable blades. Set includes the following blades, hex inch sizes 1/16, 5/64, 3/32, 7/64, 1/8, 9/64 and 5/32 inch. This Wiha set of drivers are different. There are entire shanks. And the shanks have the appropriate thinness to be useful. And when installed in the handle, the entire assembly is secure and completely flex free - as solid as a normal screw driver. The blades are sturdy, offer very good grip on screws, and do not deform easily. I've used my set for a couple of months now and the tips do not show any wear - these will last me quite a while. The blades are clearly marked as to size and configuration.

Electrostatic discharge (ESD) is the sudden flow of electricity between two objects caused by contact, an electrical short, or dielectric breakdown. ESD can be caused by a buildup of static electricity by tribocharging, or by electrostatic induction. The triboelectric effect (also known as triboelectric charging) is a type of contact electrification in which certain materials become electrically charged after they come into contact with another different material through friction. Rubbing glass with fur, or a comb through the hair, can build up triboelectricity. Most everyday static electricity is triboelectric. The polarity and strength of the charges produced differ according to the materials, surface roughness, temperature, strain, and other properties.

ESD includes spectacular electric sparks, but also less dramatic forms which may be neither seen nor heard, yet still be large enough to cause damage to sensitive electronic devices. Electric sparks require a field strength above about 4 KV/cm in air, as notably occurs in lightning strikes. Other forms of ESD include corona discharge from sharp electrodes and brush discharge from blunt electrodes.

ESD can cause a range of harmful effects of importance in industry, including methane gas and coal dust explosions, as well as failure of solid state electronics components such as integrated circuits. These can suffer permanent damage when subjected to high voltages. Electronics manufacturers therefore establish electrostatic protective areas free of static, using measures to prevent charging such as avoiding highly charging materials, and measures to remove static such as grounding human workers, providing antistatic devices, and controlling humidity.

ESD simulators may be used to test electronic devices, for example with a human body model or a charged device model.

The most spectacular form of ESD is the spark, which occurs when a heavy electric field creates an ionized conductive channel in air. This can cause minor discomfort to people, severe damage to electronic equipment, and fires and explosions if the air contains combustible gases or particles.

However, many ESD events occur without a visible or audible spark. A person carrying a relatively small electric charge may not feel a discharge that is sufficient to damage sensitive electronic components. Some devices may be damaged by discharges as small as 30V. These invisible forms of ESD can cause outright device failures, or less obvious forms of degradation that may affect the long term reliability and performance of electronic devices. The degradation in some devices may not become evident until well into their service life.

Prevention of ESD bases on Electrostatic Protective Area (EPA). EPA can be a small working station or a large manufacturing area. The main principle of an EPA is that there are no highly charging materials in the vicinity of ESD sensitive electronics, all conductive materials are grounded, workers are grounded, and charge build-up on ESD sensitive electronics is prevented. International standards are used to define typical EPA and can be found for example from International Electrotechnical Commission (IEC) or American National Standards Institute (ANSI).

ESD prevention within an EPA may include using appropriate ESD-safe packing material, the use of conductive filaments on garments worn by assembly workers, conducting wrist straps and foot-straps to prevent high voltages from accumulating on workers' bodies, anti-static mats or conductive flooring materials to conduct harmful electric charges away from the work area, and humidity control. Humid conditions prevent electrostatic charge generation because the thin layer of moisture that accumulates on most surfaces serves to dissipate electric charges.

Tool steel refers to a variety of carbon and alloy steels that are particularly well-suited to be made into tools. Their suitability comes from their distinctive hardness, resistance to abrasion, their ability to hold a cutting edge, and/or their resistance to deformation at elevated temperatures (red-hardness). Tool steel is generally used in a heat-treated state. Many high carbon tool steels are also more resistant to corrosion due to their higher ratios of elements such as vanadium and niobium.

S-grade tool steels are designed to resist shock at both low and high temperatures. A low carbon content is required for the necessary toughness (approximately 0.5% carbon). Carbide-forming alloys provide the necessary abrasion resistance, hardenability, and hot-working characteristics. This family of steels displays very high impact toughness and relatively low abrasion resistance, it can attain relatively high hardness (HRC 58/60). This type of steel is used in applications such as jackhammer bits. S2 has more vanadium that increases hardness and wear. S2 has more manganese to reduce brittleness.

8650 is the most common steel alloy in use throughout the U.S. and the Far East.

Chrome Vanadium is comparable in quality to 8650, and often used in Europe.

Chrome Moly is similar to Chrome Vanadium, but is, however, stronger and harder. Because it is fairly expensive, manufacturers generally only use it on their higher quality and higher priced tools like ball head products. They often substitute lower grade alloys for their other tools. Europe and Japan are the primary users.

S2 is used by only a small number of manufacturers. It is harder than 8650, but it is also less ductile, and far more prone to shattering.

1050 carbon steel is a low grade steel that is inferior to those listed above, but is still used by some manufacturers in Europe and Asia.

This is a well thought-out designed tool product system, with German engineering very apparent. This tool set will make your job much easier to complete. Buy nice, not twice... yes this tool set may be a bit expensive, but they will pay for themselves in the long run. I am very satisfied with this purchase and have bought a second and third set for different tool box systems for work stations that I've put together. Wiha makes excellent tools and it is apparent once you have used these tools.

HRC = Hardness, Rockwell C-scale, the C-scale uses a diamond indenter.

I would highly recommend the Wiha 26989 Precision Interchangeable System 4 Blade Set, 9 Piece ESD Safe System. These blades have precision tip ends and are adjustable to different lengths. They are thin, but exhibit no flex.

Caveat:

To reduce the risk of injury, user must read, follow and understand the operating and safety instructions in the power tool instructions owner's manual before operating product. Always use ANSI Z87.1 eye protection or face shield and proper respiratory protection in appropriate situations. Keep hands, body and loose fitting clothing clear of sharp edges and moving parts. Do NOT use as a pry bar or chisel and always keep away from children. Always be careful with electrical applications and double check your work to be safe. The Wiha 26989 Precision Interchangeable System 4 Blade Set, 9 Piece System does NOT meet: Voltage Rating 1000, nor does it Meet/Exceed ASTM F-1505.94, IEC 900 and VDE 0682/201. Do not use this tool for prying or chiseling.

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