RUKO SPB-DIN1869-4,0mm-Serie-1 T-Head Bolt M4 x 10 mm Steel 8.8 Bright

The RUKO SPB-DIN1869-4,0mm-Serie-1 is a T-head bolt engineered for secure clamping in T-slot tracks, a design that sets it apart from standard hex bolts by allowing quick repositioning without full disassembly. Its rectangular head and square neck lock into the slot to prevent rotation during tightening.

Highlights

• Conforms to DIN 1869 for reliable T-slot mounting
• M4 thread with 10 mm nominal length
• Steel construction with strength class 8.8
• Bright finish for clean, uncoated surfaces

In daily use

Ideal for machine building, fixture construction, and modular setups, this bolt slides into standard T-slots and holds firm under load. The square neck grips the slot walls, so you can tighten from one side without needing a second wrench.

Full specifications

• Bolt Type: T-head bolt (Hammer head bolt)
• Standard: DIN 1869
• Thread Size: M4
• Nominal Length (L): 10 mm
• Material: Steel
• Strength Class: 8.8
• Surface Treatment: Bright (Plain)
• Head Shape: Rectangular T-head
• Neck Type: Square neck
• Thread Type: Metric Coarse Thread
• Thread Pitch: 0.7 mm
• Head Width (b): 7 mm
• Head Height (k): 2.5 mm
• Square Neck Width (s): 4 mm
• Square Neck Height (v): 2.5 mm
• Thread Direction: Right-hand
• Application: T-slot mounting, machine building, fixture construction
• Corrosion Protection: None (Bright finish)

Final note

For precise positioning in T-slot systems, the RUKO SPB-DIN1869-4,0mm-Serie-1 delivers dependable clamping with a standardised fit.