Description
HBS Fasteners manufactures premium Pan Combi Screws, engineered to solve the common problem of tool availability during assembly or maintenance. The head features a unique “Combi” drive—typically a cross-recess (Phillips) combined with a single longitudinal slot. This allows the user to use either a Phillips screwdriver, a flat-blade screwdriver, or even a nut driver in some variations. The Pan Head design provides a flat bearing surface with high clamping force, ensuring a secure grip on the mating material without the need for a washer in many cases.
Technical Specifications
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Standard: Manufactured in accordance with DIN 7985 or ISO 7045 (base dimensions) with a specialized Combi-Drive head.
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Head Style: Pan Head (rounded top with a flat underside) for high-surface contact.
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Drive Type: Phillips/Slotted Combination (other variations like Pozidriv/Slotted also available).
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Thread Type: Precision-rolled Metric machine threads (Coarse pitch).
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Size Range: Available from M2.5 to M10 with various thread lengths to suit different industrial housings.
Material & Quality Excellence
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Stainless Steel: Available in A2 (304) and A4 (316) for corrosion-resistant electrical and outdoor applications.
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Other Materials: Produced in High-Grade Carbon Steel and Brass (popular for electrical conductivity).
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In-House Control: Produced using raw materials from our own wire drawing facility. We pay special attention to the depth of the “Combi” recess to ensure that neither a flat nor a cross-point driver will slip or strip the head under high torque.
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Surface Finishing: Options include Zinc Plating (Clear/Yellow), Nickel Plating (for electronics), and Tin Plating (for electrical grounding).
Key Application Areas
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Electrical & Switchgear: The most common screw for terminal blocks, switch plates, and circuit breakers where field technicians carry limited tools.
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Consumer Appliances: Used in washing machines, ovens, and refrigerators for easy serviceability.
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Automotive Interior: Ideal for mounting brackets and dashboards where different assembly line tools might be used.
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Telecommunications: Used in server racks and networking equipment for securing panels and internal modules.





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