Bit for special-shaped parts (compatible with KTC ratchet stub driver)

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SBK-Rxx

last updated：Jul 23, 2026

S.Design Create

Official site

This is a specialized bit for uniquely shaped components that can be directly attached to the KTC ratchet stub driver (DBRS06).

This is a specialized bit designed for tightening operations on uniquely shaped components, to be used with the KTC ratchet stub driver. It addresses workpiece shapes with irregularities and steps that standard bits cannot handle, enhancing work efficiency while ensuring stable torque transmission through the combination of the KTC ratchet stub driver and the dedicated bit. This product aims to reduce the burden on field workers and stabilize operations. 【Features】 - Hex shank specification that can be directly attached to the KTC ratchet stub driver - Stable torque transmission reduces screw fastening failures and cam-out - Custom shapes can be accommodated according to workpiece shapes upon request - Design modifications to fit KTC bit specifications can be made to match your screw machines If you are using the KTC ratchet stub driver and are facing issues such as "unstable screw fastening of uniquely shaped components" or "high burden on workers," please feel free to consult us.

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Inquire About This Product

basic information

【Specifications】 - Category: Assembly Assistance Tool / Special Bit - Compatible Models: KTC Ratchet Stub Driver (DBRS06) - Connection Shape: Hex Shank (6.35mm) - Material: Shaft SS400 (Iron-based material used for magnetic fixation compatibility) - Surface Treatment: Raw (Standard), various plating options available (Optional) 【Custom Support】 - If you provide drawings or photos of the target workpiece and the model information of the KTC Ratchet Stub Driver you are using, we will propose the optimal bit shape and dimensions. - We also support custom designs tailored to workpiece shapes and step shapes.

Price information

[Reference Price] - 14,000 yen (excluding tax) / per unit *Prices may vary depending on specifications and quantity. Small lots and prototypes can also be accommodated.

Price range

Delivery Time

※The delivery date may vary depending on the specifications, so please feel free to contact us.

Applications/Examples of results

Screw tightening work in the connector assembly and continuity inspection processes on the assembly line for electrical components and electronic devices. Screw tightening and holding assistance for special-shaped and small-diameter cylindrical parts such as resin-molded components, small-diameter shafts, pins, and bearing outer rings. Standardization of the screw tightening process performed manually using KTC ratchet stub drivers and dedicated bits. Fastening evaluation and verification using custom-shaped bits tailored to the target work on prototype lines and low-volume, high-variety lines.