The Tecwerk DIN 863 internal measuring screw set is a precise measuring tool specifically designed for internal measurements. With a three-point design, this set allows for accurate and reliable measurement of internal dimensions ranging from 20 to 50 mm. The measuring surfaces are made of carbide, ensuring high durability and resistance. The matte chrome scales and sleeves provide clear readability and protect against corrosion. The set includes four measuring screws equipped with adjustment rings of 25 and 40 mm for flexible application. The pitch of 0.5 mm ensures precise measurements, while the ratchet mechanism allows for easy handling. This internal measuring screw set is subject to inspection and can be calibrated upon request.

• Three-point design for precise internal measurements
• Carbide measuring surfaces for high durability
• Matte chrome scales for clear readability
• Includes adjustment rings for flexible applications.