Screws
Shoulder Screws (Precision Stripper Bolts)
Hextro supplies shoulder screws and precision stripper bolts from China, including ISO 7379 types with ground shoulders for guide, bearing and sliding applications.
Specifications
- Available Materials
- Stainless steel 303, 304, 416, alloy steel and other specified materials according to corrosion resistance, wear resistance and application requirements.
- Surface Finish Options
- Passivation, black oxide, zinc plating, nickel plating, hard chrome on the shoulder section and other custom surface treatments can be reviewed according to wear life and application requirements.
- Common Applications
- Punch and die sets, linear guides, automation fixtures, robotic assemblies, camera fixtures, medical fixtures, jigs, sliding parts and OEM precision assembly projects.
- Quality Check Points
- Shoulder diameter, shoulder length, concentricity, thread accuracy, under-head radius, surface finish, hardness, burr control and packaging can be checked according to order requirements.
Shoulder screws, also known as precision stripper bolts, feature a precision-ground shoulder larger than the thread diameter. The shoulder section is designed to act as a bearing surface, guide surface or pivot section, while the threaded portion secures the assembly.
Hextro supplies shoulder screws according to ISO 7379, ASME patterns, drawings, samples or customized requirements. Tight shoulder diameter and length tolerances can be reviewed according to application requirements for sliding, guiding, positioning or rotating components.
Available Materials: Stainless steel 303, 304, 416, alloy steel and other specified materials according to corrosion resistance, wear resistance and application requirements.
Surface Finish Options: Passivation, black oxide, zinc plating, nickel plating, hard chrome on the shoulder section and other custom surface treatments can be reviewed according to wear life and application requirements.
Common Drive & Design Options
Hex socket drive, Torx drive, vented holes for special applications, custom under-head radii, special shoulder lengths and customized thread dimensions can be discussed according to drawing requirements.
Common Applications: Punch and die sets, linear guides, automation fixtures, robotic assemblies, camera fixtures, medical fixtures, jigs, sliding parts and OEM precision assembly projects.
What We Need for Quotation: Please send shoulder diameter, shoulder length, thread size, thread length, head style, drive type, material, hardness requirement, surface finish, quantity, application details and drawings or samples if available.
Quality Check Points: Shoulder diameter, shoulder length, concentricity, thread accuracy, under-head radius, surface finish, hardness, burr control and packaging can be checked according to order requirements.
Batch traceability, dimensional reports and surface roughness checks can be discussed according to order requirements.
