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Hand star wing knurled thumb screw nut threaded bolt stud bush male female quality industrial machine fixings fastening

Star or Hand knobs, Wing & Knurled Thumb Screws & Nuts

Berger Tools Ltd stock a varied range of star or hand knobs, wing and knurled screws and nuts and accessories including knurled thumb screws supplied with thrust pads. These are common fixing or fastening solutions, which are widely used. These parts are often described as male and female - the male being those with a protruding stud or bolt, often threaded, and the female being those with a hole or bush. Star knobs are used for a wide variety of applications, including machine building, access doors, drawers & panels, fixtures and clamping set ups. Wings screws and nuts can appear virtually anywhere, from industrial applications through to bikes and drumsets!

Star knobs are also known as hand knobs. The shaping of these knobs is designed to ensure a good grip for the operator and to allow extra torque to be easily applied by hand. They have a varying number of spokes or lobes - those with three (triangular knobs) or four lobes are more likely to be used where a finger tip control and fine accuracy is needed, and those with five, six or more lobes provide a better grip for the whole hand and allow the palm to come into contact with the knob, allowing a greater degree of pressure to be extended. These are sometimes referred to as scallop knobs.

In the same way, wing nuts and screws and knurled nuts and thumb screws also provide a far greater grip (and hence torque) than a plain nut, and are designed to be tightened by hand, although the metal variations can be tightened or loosened using tools if necessary. This extra grip also makes them easily removable when needed. Thrust pads can be used in combination with screws to prevent marking, scratches or dents to materials that are easily damaged.

Berger Tools carefully source our products to ensure that they are of top quality, and are ergonomically designed to be comfortable in use and prevent fatigue. This attention to detail ensures that the parts covered in this section, like all the items we supply, make a cost effective choice.

GN5345_IMAGE.png
GN5345_IMAGE.png
GN5335.4_Star_Knob__Stainless_Steel_AISI_316L.jpg
GN5345.4-Stainless-Steel-Three-lobe-knobs-AISI-316L-D-with-threaded-through-bore.jpg
GN6336.5_IMAGE.png
series_import_1577.jpg
GN5334.4 Star Knob, Stainless Steel
GN5335.4_Star_Knob__Stainless_Steel_AISI_316L.jpg
DIN6336-Hand_Knob__Cast_Iron.png
DIN6336-Hand_Knob__Stainless_Steel_Matt_Shot_Blasted.png
DIN6336-Hand_Knob__Cast_Iron.png
DIN6336-Hand_Knob__Technopolymer_with_Stainless_Steel_Insert__Black.png
DIN6336-Hand_Knob__Stainless_Steel_Matt_Shot_Blasted.png
DIN6336-Hand_Knob__Technopolymer_with_Stainless_Steel_Insert__Black.png
DIN6336-Hand_Knob__Technopolymer_with_Stainless_Steel_Insert__Black.png
GN6336.2 Star Knob
GN6336.1 Star Knob, Duroplast Plastic, Steel Bush, Blind Bore
series_import_1444.jpg
GN6336.1 Star Knob
GN6336.4 Star Knob plastic Cast iron, male, steel bolt threaded
GN6336.10 Star Knob, Brass
GN6336.11 Star Knob
GN6336.12 Star Knob
GN6336.13_Star_Knob__Female__with_Loss_Protection.jpg
GN6336.13_threaded_IMG.jpg
GN6336.3 Star Knob, Quick Release, Plastic, Steel Bush
GN6336.3 Star Knob, Quick Release, Plastic, Steel Bush
GN5337.2-Star_Knob_with_Bush__Black_Plastic_with_Red_Centre_Cap.png
GN5337.2-Star_Knob_with_Bush__Black_Plastic.png
GN5337.2-Star_Knob_with_Bush__Black_Plastic_with_Steel__Zinc_Plated__Blue_Passivated_Threaded_Bolt.png
GN5337.3-Safety_Star_Knob__Black_Plastic_with_Steel_Threaded_Bush.png
GN5337.3-Safety_Star_Knob_in_Black_Plastic_with_a_Blackened_Steel_Threaded_Stud.png
GN5337.9-Safety-star-knobs-Plastic-non-threaded.jpg
GN5337.9-Safety-star-knobs-with-threaded-stud-Plastic.jpg
GN5337.6-Softline-Star-knobs-Plastic-threaded.jpg
GN5337.6-Softline-Star-knobs-Plastic_non_threaded.jpg
GN5334-Star_Knob__Stainless_Steel.png
GN5334-Star_Knob_with_Threaded_Bolt__Stainless_Steel.png
GN5336-Star_Knob__Aluminium__Polished.png
GN5336-Star_Knob__Aluminium__Polished.png
GN5335-Star_Knob__Stainless_Steel_Matt_Blasted.png
GN5335-Star_Knob__Stainless_Steel_Matt_Blasted.png
GN5335-Star_Knob__Stainless_Steel_Highly_Polished.png
GN5335_Star_knobs_threaded_stud_Stainless_Steel_series_image.jpg
GN5345_IMAGE.png
DIN6335-Star_Knob__Polished_Aluminium.png
DIN6335-Star_Knob__Black_Plastic__Threaded_Bush_in_Brass_Available.png
DIN6335-Star_Knob__Black_Plastic__Threaded_Bush_in_Brass_Available.png
DIN6335-Star_Knob__Stainless_Steel.png
DIN6335-Star_Knob__Black_Plastic__Threaded_Bush_in_Brass_Available.png
DIN6335-Star-knobs-Plastic-KU-Plastic.jpg
Star Knob GN6335.2, Technopolymer, Protruding Steel Bush
GN6335.1 Star Knob, Duroplast Plastic, Protruding Steel Bush
GN6335.2 Black Plastic Star Knob
GN6335.4 Star Knob, Male, Plastic or Cast Iron, Threaded Steel Bolt
GN6335.9 Black Star Knob
GN5339.5 Triangular Knob, Stainless Steel
GN5330-Tristar_Knob__Black_Plastic_with_Brass_Bush.png
series_import_1546.jpg
GN5330-Tristar_Knob__Black_Plastic_with_Brass_Bush___Steel__Zinc_Plated__Blue_Passivated_Threaded_Bolt.png
GN532-Wing_Nut__Plastic_Matt_Black__Brass_Bush.png
GN531-Wing_Screw__Black_Matt_Plastic_with_Stainless_Steel_Threaded_Bolt.png
GN531-Wing_Screw__Black_Matt_Plastic_with_Stainless_Steel_Threaded_Bolt.png
GN531.1-Wing_Nut_with_Protruding_Hub__Black_Matt_Plastic_with_Steel_Zinc_Plated__Blue_Passivated_Threaded_Bolt.png
GN834-Stainless-Steel-Wing-nuts-D-with-threaded-through-bore.jpg
GN835-Wing_Screw__Stainless_Steel.png
GN434-Wing_Nut__Stainless_Steel.png
GN431-Wing_Screw__Stainless_Steel.png
GN433-Wing_Screw__Stainless_Steel.png
GN432-Wing_Nut__Stainless_Steel.png
GN534-Knurled_Knob__Black_Plastic_with_Brass_Bush__Red_Dot.png
GN534-Knurled_Knob__Black_Plastic_with_Steel__Zinc_Plated_Blue_Passivated_Threaded_Stud__Red_Dot.png
GN7336-Knurled_Knob__Black___White.png
GN7336-Knurled_Knob_with_Threaded_Steel_Stud__Black___White.png
GN7336.5-Knurled_Screw_with_Brass__Plastic__Spherical_Pivot.png
GN420-Knurled_Nut__Black_Plastic_with_Stainless_Steel_Threaded_Bush.png
GN420-Knurled_Nut__Black_Plastic_with_Stainless_Steel_Threaded_Bush.png
GN421-Knurled_Thumb_Screw_Black_Plastic_with_Stainless_Steel_Bolt.png
GN421-Knurled_Thumb_Screw_Black_Plastic_with_Steel_Bolt.png
GN421.10 Knurled Screw, with Brass or Plastic Pivot Pads
GN421.11-Knurled_Screw_with_Ball_Pin__Black_Plastic_Knob_with_Stainless_Steel_Bolt.png
GN421.12-Knurled_Screw_with_Movable_Thrust_Pad__Black_Plastic___Stainless_Steel__Side_View.png
GN536-Knurled_Nut__Stainless_Steel.png
GN535-Knurled_Screw__Stainless_Steel__Matt_Shot-Blasted.png
DIN6303-Knurled_Nut__Blackened_Steel.png
DIN6303-Knurled_Nut__Stainless_Steel.png
series_import_1436.jpg
DIN466-Knurled_Nut__Blackened_Steel.png
DIN464-Knurled_Screw__Stainless_Steel.png
series_import_105.jpg
DIN467-Flat_Knurled_Nut__Stainless_Steel.png
DIN653-Flat_Knurled_Screw__Steel.png
DIN467-Flat_Knurled_Nut__Blackened_Steel.png
DIN653-Flat_Knurled_Screw__Blackened_Steel.png
GN653.10-Flat_Knurled_Thumb_Screw_in_Blackened_Steel_or_Stainless_Steel_with_Brass_or_Plastic_Pivot.png
GN676.5-Stainless_Steel_Knob.png
GN676.1-Blackened_Steel_Knob.png
GN6303.1 Quick Release Knurled Nut, Steel
GN653.2_Knurled_screws_with_recessed_stud_for_loss_prevention.jpg
GN3663_Torque_knurled_knobs.jpg
GN3663_Torque_knurled_knob_screws.jpg


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