The product documentation explicitly states its use for recessed TORX® screws

Utilization category: Class gG/gL (gL/gG – cable protection/equipment protection)

0 mm (internal hexagon)

Manufacturer part number: 1921063

Functions: OFF time

Kabelforskruning messing EMC M25; Ø8-16mm m/lamel; IP68 Unit(s):PCS The product documentation explicitly statesSIB TEC EMC cable gland (SIB C5225200) This SIB TEC EMC cable gland, SIB C5225200, is a metric M25 cable gland designed for electromagnetic compatibility (EMC). The product is made of nickel plated brass and comes with a neoprene sealing ring. The thread is based on EN 60423 metric thread, and the declared protection class is IP68. Materials and construction Housing and nut: nickel plated brass Sealing ring: neoprene (65 ShA) O ring: nitrile (70 ShA)