Screws

JC Grand and partners have the necessary equipment to produce all commonly used screw point shapes, and even some not-so-common ones.

From the standard sharp points, drill points, and type 17 points, to the less common dog points: we have you covered.

In addition, if you have a non-standard form, chances are that we can do it too.

JC Grand cold forming machinery is capable of producing all major drive types by simply changing the drive punch.

In addition, if you have a non-standard form, chances are that we can custom design the forming dies to produce to your custom design.

JC Grand cold forming machinery is capable of producing all major head styles. By simply changing the forming dies, the variety of head forms shown below is achievable.

In addition, if you have a non-standard form, chances are that we can custom design the forming dies to produce to your custom design, at a minimal expense to you. Try us.

JC Grand wood screws cover a broad range of specifications.

Head Types: Flat, Trim, Pan, Round, Raised Oval, Hex, Bugle
Drive Types: Slotted, Philips, Pozi, Square, Hex, Torx
Thread Types: Coarse, Hi-Lo, Twinfast, Type 17
Size: M2.5 - M12 (#2 - 1/2")
Length: 12 - 200mm (1/2" - 6")

For treated wood and decks, JC Grand also offers a wide range of surface treatments to prevent corrosion of the screw, and staining of the wood. This includes treatments that are compatible with ACQ.

JC Grand machine screws cover a broad range of specifications.

Head Type: Pan, CSK(Flat), Oval, Hex Washer, Truss, Cheese
Drive Type: Philips, Square, Slotted, Combo (tri-drive), Torx, Philips Slotted
Thread Type: Machine, Trilobular (Taptite), Thread Cutting, Thread Rolling
Size: M2 - M8
Length: 6 mm (1/4") - 100 mm (4")

JC Grand produces two main types of concrete anchors, which are shown below.

Head Types: Flat, Hex
Drive Type: Philips, Slotted Hex Washer
Thread Type: Hi-Lo, Standard Coarse
Point Type: Sharp Point, Nail Point
Size: 3/16" - 1/4"
Length: 1" - 6"

These anchors are covered under ICC-ES (formerly ICBO) guidelines for quality and conformance to USA building codes. Technical documentation for these anchors can be found in JC Grand's ICC-ES report: JC Grand Report (PDF Download)

JC Grand sheet metal screws cover a broad range of specifications.

Head Type: Hex Washer, Pan, CSK Flat, Truss, Truss Washer, Oval
Drive Type: Hex, Hex Slotted, Philips, Philips Slotted, Torx, Slotted
Thread/Point Type: Sharp Point, Self-Drill Point
Typical Size: M2.2 (#2) - M6.3 (#14)
Typical Length: 6 mm (1/4") - 50 mm (2")

Some of our most common SMS screw designs are shown below.

JC Grand self-drilling screws cover a broad range of specifications.

Head Type: Hex Washer, Hex, Pan, Bugle, CSK(Flat), Wafer, Truss
Drive Type: Hex, Philips, Pozi, Torx
Point Type: Forged point up to Tek 5, Milled Point
Thread Type: Coarse, Machine, High-Low, Spoon Point, Wing Teks
Size: M2.9 (#4) - M6.3 (#14)
Length: 9.50mm (3/8") - 200mm (8")

Some of our most popular drilling screw designs are shown below, with detailed specifications available for simple download.

JC Grand chipboard screws cover a broad range of specifications.

Head Type: CSK, Double CSK, Pan, Raised Oval, Flange
Drive Type: Pozi, Torx, Philips, Square, Slotted, Pozi Slotted, Hex
Thread Type: Coarse, Sawtooth/Spax, Fluted
Point Type: Sharp, Type 17
Size: M2.5 - M10
Length: 10 - 400mm

Some of our most popular chipboard designs are shown below, with detailed specifications available for simple download.

JC Grand drywall screws cover a broad range of specifications.

Head Type: Bugle, Wafer, CSK, Trim, Pan Framing
Drive Type: Philips, Square, Torx
Thread Type: Fine, Coarse, Hi-Lo, Twinfast
Point Type: Sharp, Self-Drilling, Type-17
Size: M3.5 (#6) - M6.3 (1/4")
Length: 19 mm (3/4") to 240mm (9-3/8")