Micro Precision Press-Fit Spring-Loaded Plungers (Flat & Spherical Tips) – Stainless Steel Indexing Detent Pins | sinoboltco

Heavy-Duty Micro Positioning for High-Precision Industry

When standard positioning components are too bulky for your design, the SNSP000001 series micro spring-loaded plungers from sinoboltco deliver the exact tactile feedback and alignment reliability your project demands. With miniature body diameters ranging from 2 mm to 5 mm, these press-fit components eliminate the need for complex internal threading, significantly lowering machining costs for your manufacturing line.

Structural Excellence & Technical Specifications

Every plunger in the SNSP000001 line is built with a three-part uniform stainless steel chemistry (Stainless Steel Body + Stainless Steel Pin + Stainless Steel Spring). This material consistency prevents galvanic corrosion and ensures predictable mechanical fatigue limits under extreme duty cycles.

SNSP000001-F (Flat Tip Style): Features a chamfered flat-edge pin (dimension C ranging from 0.1 mm to 0.3 mm) to provide maximum surface contact inside the mating receptacle, preventing any radial play or shifting.

SNSP000001-J (Spherical Tip Style): Features a perfectly radiused dome for seamless snap-fit actions, slide-rail detenting, and quick-release mechanism interfaces.

Rigorous Load Management

We understand that incorrect spring ratings stall production lines. That is why sinoboltco supplies these plungers with strictly verified allowable loads:

D2 / S1.5: Min Load 0.49 N | Max Load 0.98 N (Overall Length: 8 mm)

D3 / S3: Min Load 0.49 N | Max Load 1.47 N (Overall Length: 10 mm)

D4 / S3: Min Load 0.59 N | Max Load 1.47 N (Overall Length: 10 mm)

D5 / S4: Min Load 0.64 N | Max Load 1.96 N (Overall Length: 11.5 mm)

Direct SOHO Procurement Advantage

By avoiding high corporate overheads and monitoring global stainless steel raw material futures on a daily basis, sinoboltco bridges the gap between premium component engineering and cost-effective volume purchasing. Whether you are an automation integrator in Europe or a contract manufacturer in North America, we provide transparent batch testing, custom sizing adjustments, and direct door-to-door logistics without the factory-brand markup.

Key Advantages

Zero-Thread Press-Fit Design: Simplifies installation into straight bored holes, minimizing assembly time and reducing overall component footprint in tight spatial layouts.

Complete Stainless Integrity: Body, pin, and spring are all forged from premium stainless steel, ensuring zero structural degradation in washdown or high-humidity environments.

Pre-Calibrated Spring Kinetics: Tight tolerance engineering ensures the allowable load (0.49 N to 1.96 N) remains consistent over thousands of compression cycles without permanent set.

Micro-Scale Availability: Diameters down to 2 mm cater directly to the medical device, aerospace instrumentation, and micro-electronics hardware sectors.

Risk-Managed Pricing: Backed by sinoboltco’s cross-market supply chain expertise, stabilizing your component costs against raw material market volatility.

Key Features

Product Line: sinoboltco SNSP Premium Positioning Series

Model Designation: SNSP000001-F (Flat Tip) / SNSP000001-J (Spherical Tip)

Body Diameters (Dh7): 2 mm, 3 mm, 4 mm, 5 mm

Stroke Capacities (S): 1.5 mm, 3 mm, 4 mm (with +0.5/0 tolerance)

Pin Diameters (d): Available in 1 mm, 2 mm, 3 mm, and 4 mm sub-sizes

Collar Diameters (D1): Ranges from 2.5 mm to 5.5 mm acting as a positive mechanical stop during insertion