treated for maximum lubricity. 16321

Jergens Specialty Fasteners maintains a large inventory of several varieties of knobs, handles, handwheels, and cranks. Whether you’re looking for prototype or production quantities, we can help! Features, Benefits, & Product Specifications: - Material: Class 30 Gray Iron - Finish: Zinc Plated (including Blank Knobs) - Thread: 2B-UNC for Inch, Class 6h for Metric - Ream: ±0.002" for Inch, ±0.05mm for Metric - Hub: Available Blank, Reamed, or Tapped