GRK 772691167309 8 x 2-1/2" Fasteners 16730 FIN/Trim Screws 605CT, Gold, 605 Count

Product Information

The Flat 100+ uses a 100-degree angle instead of the standard 82-degree kind. It is an ideal choice for thinner materials that require a flatter head. Flat 100+ Undercut

With their tiny (6mm diameter) heads, Silva's stainless-steel finishing trim screws provide a neat, professional finish. They are suitable for a wide variety of exterior applications where a discreet screw head is preferred. The ‘trim’ screw head is a standard countersunk screw that provides a flat, smooth surface after installation. It is an alternative to flat head screws, with a narrower head a more suitable choice for certain applications. The Flat Trim is often used as a finishing screw for carpentry and woodworking. Oval Undercut The type of head that your screw has will greatly affect the performance of the fasteners in your application. What that means is you should pay attention to which type of screw or nut and bolt you use. Many are better for use with specific materials, others should be put to use in certain circumstances. One of the more common types of screw seen in a wide variety of applications are trim-head screws and this style provides some unique benefits to your project. Other fasteners are Hex Head Cap Screws and Hex Bolts. The ‘oval trim’ head is the same as the regular ‘oval’ head, but with a smaller diameter and countersink. Round The round washer is a screw head which provides a larger bearing surface in applications where a round head is preferred. It is quite similar to the Modified Truss head style. Square (Set Screw)

The Flat Undercut is used instead of the standard flat head for some short sizes. The 100-degree kind enables more shallow countersinking than standard 82-degree flat heads. Hex It is the policy of GRK Fasteners Ltd. to provide top quality fasteners that require no predrilling, suitable for all applications and provide strength and finishing that customers and construction codes require.

The difference between trim head screws and flat heads lies in the size of the head. Trim heads are made more like a finishing nail and work very well in that capacity. When you are screwing in a place where the screw head is best hidden, trim head screw with color matched finish will virtually disappear. Anyone who's ever driven a screw in knows how annoying cam-out is - when the bit slips out of the screw head as torque increases. It's not only frustrating, but it can also damage the screw head, preventing it from being driven in or out. The improved engagement of the star drive virtually eliminates cam-out and will pull wood components tightly together with ease. The ‘flat fillister’ is identical to a regular fillister screw, except for a flat top replacing the latter’s oval top. Flat 82+ The ‘square’ head is a suitable choice for applications that require more torque. It is most often used for switch coverings Truss

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They are self-tapping eliminating pre-drilling featuring the W-Cut™ threads for reduced torque, and our Climatek™ AC257 code approved coating. They are ESR code approved under ICC Report ESR-3201. ADVANTAGES The ‘flat undercut’ is very similar to the standard 82-degree head, having the same angle, but a shorter head. This allows it to provide a longer thread on the same screw length. Flat 100+ Hex heads allow greater torque to be applied, and are driven with the force working against the outside of the head, unlike other varieties, which are internally driven, They are commonly used for bolts. Pan The driver recess on the trim head is the same size as the one on a flat head screw of a similar size. It’s only the surface of the head around the recess that is smaller. This allows for less screw to show, much like that finishing nail. And just like the tiny nail, trim head screws are very often used in trim applications, especially on outdoor products.

The ‘binding’ type is a commonly used screw head type. It is an ideal choice for electrical applications; beneath the head is a prominent undercut area providing space for wire connections. A smaller diameter, in addition to a higher profile, than round or pan heads, makes the ‘fillister’ screw head effective for a deeper slot. Flat FillisterIt is similar to ‘flat’ heads, but with no driving recess. The ‘round countersunk’ head is used for shorter screw lengths to provide a longer thread grip and more shallow countersinking. Round Washer There are a variety of screw head types for different materials, and for different applications; screws are often used to fasten sheet metal, wood, and plastic. Binding/Binding Undercut The ‘hex washer’ head is an updated, more commonly used version of the hex head. It is characterised by an attached washer style flange under the head, creating a large surface connection area. It is sometimes used in combination drives, with phillips or slotted drives. Oval To stainless, or not to stainless? That is the question. Stainless steel screws provide the most corrosion resistance and are typically required in coastal applications. For most other applications, stainless steel is an optional and expensive upgrade.