5–25 Nm 1/4" torque wrench set with 17 accessories + case ITW525/S1 - Stix

Precise tightening with a set of accessories

ITW 525/S1 is a comprehensive set built around the ITW 525 torque wrench with a range of 5–25 Nm. In addition to the wrench itself, the case contains 17 × 1/4" accessories – sockets with Torx, HEX, Phillips and slotted bits, plus a 150 mm extension bar. The set expands the capabilities of the wrench and allows it to be used with many types of threaded fasteners without the need to purchase the basic accessories separately.

This set allows the wrench to be used immediately for many precise service tasks without the need to purchase the basic accessories separately. It is suitable for automotive and motorcycle workshops, service centers and work in a home garage.

17 Cr-V steel accessories

The set includes 1/4" sockets with popular bit types:

• Torx: T10, T15, T20, T25, T30 – 5 pcs.,
• hex / HEX: H2, H2.5, H3, H4, H5, H6, H8 – 7 pcs.,
• Phillips: PH1, PH2, PH3 – 3 pcs.,
• slotted: SL4 – 1 pc.,
• extension bar 1/4" 100 mm – 1 pc.

In total, the set includes 17 accessories complementing the torque wrench. The extension bar increases reach during use and makes it easier to access fasteners located deeper or in confined spaces.

All accessories are made of chrome-vanadium Cr-V steel, commonly used in workshop tools due to its good mechanical strength and wear resistance.

Torque range 5–25 Nm

The ITW 525/S1 torque wrench is designed for controlled tightening of bolts and nuts to a specified torque. The range of 5–25 Nm is particularly suitable for fasteners requiring relatively low and precisely set torque values.

It can be used wherever the vehicle or component manufacturer specifies a required torque within the wrench’s operating range.

Clear torque adjustment

The ITW 525/S1 has a mechanical scale that allows precise setting of the torque value. Adjustment is made by rotating the handle after first releasing the locking mechanism. Once the required value has been set, the lock prevents the handle from accidentally changing the setting during use.

The wrench features a torque scale in the following units:

• Nm (N·m)
• kgf·m

Accuracy ±3%

The wrench mechanism allows the required torque to be set with an accuracy of ±3%. Once the preset value is reached, the mechanism signals it with a characteristic “click” and a noticeable release, indicating that tightening should be stopped.

1/4" ratchet with 42 teeth

The wrench is equipped with a 1/4" square drive and a ratchet mechanism with 42 teeth. This makes it convenient to work even in areas where handle movement is restricted.

The ball-lock release button makes sockets easier to attach and remove.

Bidirectional operation

The ITW 525/S1 allows controlled tightening to a specified torque in both clockwise and counterclockwise directions. This also allows it to be used on left-hand threaded connections, provided the required torque is within the wrench’s operating range.

The ratchet direction switch allows the direction of rotation to be changed quickly without repositioning the tool.

Durable materials

The wrench body is made of 40Cr steel, while the ratchet mechanism components are made of 42CrMo4 steel. The use of appropriately selected steel grades ensures the strength of components subjected to loads during regular use.

With a length of 240 mm, the wrench weighs 265 g, while remaining compact and easy to handle.

Individual factory calibration certificate

Each wrench has a unique serial number and is supplied with an individual document confirming testing and factory calibration. The document contains the accuracy test results and confirms that the wrench complies with the requirements of DIN EN ISO 6789-1:2017.

Case with complete equipment

The wrench, sockets and extension bar are stored in a practical case. It makes transport and storage of the entire set easier, keeps all components in one place and allows the required bit or socket to be selected quickly.

Key features

• torque range 5–25 Nm,
• accuracy ±3%,
• square drive 1/4",
• 17 accessories made of Cr-V steel,
• sockets with Torx, HEX, Phillips and SL bits,
• 1/4" extension bar, length 150 mm,
• “click” mechanism indicating that the preset torque has been reached,
• precise torque adjustment,
• setting lock mechanism,
• ratchet with 42 teeth,
• ratchet direction switch,
• bidirectional operation – torque control when tightening clockwise and counterclockwise
• quick-release socket button,
• scale Nm / kgf·m,
• body made of 40Cr steel,
• ratchet mechanism made of 42CrMo4 steel,
• unique serial number for each unit,
• document confirming factory calibration,
• compliance with DIN EN ISO 6789-1:2017,
• case for the wrench and complete accessory set.