
Hammer head bolts
Topscrews | TWO-PIECE MODEL FOR STRUT CHANNELS
- Pre-mounted with washer and hex nut DIN 934
- On request: Hot-dip galvanised topscrews, individual toothing and tooth distance, special thicknesses, special lengths
- Complete special part, can also be used for other profile sizes


DIMENSIONS/ | ||||
---|---|---|---|---|
LENGTH | M 8 | M 10 | M 12 | |
C | 6 mm | 8 mm | 9 mm | |
30 | 50/200 | 50/200 | 50/200 | |
40 | 50/200 | 50/200 | 50/200 | |
50 | 50/200 | 50/200 | - | |
60 | 50/200 | 50/200 | - |

Product benefits:
1. Time savings via pre-assembled system in various lengths
2. Sticks in the channel, ideal for vertical installations
3. Easy to move within the rail
4. No jamming of the spring in perforated channels
5. Just one system for all strut channels
Mounting:
1. Guide topscrew through the opening in the profile
2. Press against top screw whilst simultaneously rotating by 90
3. Finally, tighten hex nut
Safe working loads
The following load values apply for BTS topscrews in steel and stainless steel for strut channels exposed to static load. The maximum safe working load of the channel used is to be observed. BTS provides no guarantee for the safe working load of the channel.
Dimension | F3 (kN) | F4 (kN) | T (Nm) |
---|---|---|---|
M 6 | 5 | 1 | 3,5 |
M 8 | 6 | 2,4 | 8,4 |
M 10 | 7 | 3,5 | 17 |
M 12 | 7 | 4 | 29 |
All of the dimensions stated above are approximate and may deviate both upwards and downwards.