Model 20 - 4mm screws, Avet, and Shimano. – BoilingTuna Products

Coavoo T20 20mm T20 x 4 Tr20 x 4 Lead Screw 3.94inch /100mm Length with Brass Nuts (Acme Thread, Pitch of Screws: 4mm, Lead: 4mm, Single Start) Used in 3D Printer Z

20 X 4 Right Hand Trapezoidal Lead Screws & Nuts for Power Transmission - Roton Products, Inc.

CROSS RECESS REAR PANEL WAFER HEAD ZINC

Zoro Select Thread Forming Screw, #4-20 x 3/8 in, Wax 18-8 Stainless Steel Pan Head Torx Drive, 5000 PK 0406LTP188B

Model 20 - 4mm screws, Avet, and Shimano. – BoilingTuna Products

Model 20 - 4mm screws, Avet, and Shimano. – BoilingTuna Products

Shimano Spinning Screws for sale

Model 20 - 4mm screws, Avet, and Shimano. – BoilingTuna Products

Model 20 - 4mm screws, Avet, and Shimano. – BoilingTuna Products

Complete Spec Motor Aluminum Screw Kit (EXA0242)

Model 20 - 4mm screws, Avet, and Shimano. – BoilingTuna Products

Model 20 - 4mm screws, Avet, and Shimano. – BoilingTuna Products

M4 x 20mm T20 Torx Button Screws (ISO 7380) - Stainless Steel (A2)