UNILOCK Pass screws

All UNILOCK pass screws are produced out of a high-strength material and hardened, for centering in a high precise thread. Length L 4 types are centering over the pass diameter. To have the possibility to adjust the depth of the thread, insert rings are available.
UNILOCK Pass screw types

Ident. No.Passdiameter
Head diameter
 
Weight
(metric)

Length 1 (mm)
Length 2 (mm)Length 3 (mm)Length 4(mm)
UL800.201
1620,916*255243510
UL800.2401620,916*243,52423,5-
UL800.2221620,916*228-8-
UL800.2211620,916*1,528
-8-
UL800.220
1620,916*1,2528-8-
UL800.2411620,914*240,52120,5-
UL800.2251620,914*228-8-
UL800.2241620,914*1,528-8-
UL800.2231620,914*1,2528-8-
UL800.2421620,912*1,7537,51817,5-
UL800.2281620,912*1,7528-8-
UL800.2271620,912*1,528-8-
UL800.2261620,912*1,2528-8-
UL800.2301620,910*1,528-8-
UL800.2291620,910*1,2528-8-
UL800.202121812*1,75
5022308
UL800.200121812*1,7555223513
UL800.235121812*1,7528-8-
UL800.236121812*1,528-8-
UL800.237121812*1,2528-8-
UL800.243121810*1,534,51514,5-
UL800.238121810*1,5 28--
UL800.239121810*1,25 28--