
ASME B18.3 · A2-70
304 Stainless Steel UNC Socket Head Cap Screw with Nylon Patch ASME B18.3 A2-70 Self-Locking
- Material
- 304 Stainless Steel
- Thread series
- UNC
- Finish
- Plain
Socket head cap screws to ASME B18.3, DIN 912 and ISO 4762, UNC and UNF from #0 to 1-1/2 in. High-tensile alloy steel reaches Grade 12.9 (35CrMo / 40CrMo) with black oxide or yellow zinc; stainless versions cover 304 A2-70 and 316 A4-80, and commercially pure titanium Grades 1–4 serves weight-critical or corrosive assemblies. Nylon-patch self-locking variants are available for vibration service.

ASME B18.3 · A2-70

ASME B18.3 · A2-70

ASME B18.3 · A2-70

ASME B18.3 · A2-70

ASME B18.3 · A2-70

ASME B18.3 · A2-70

A2-70

A2-70


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Buying Guide
Share the standard, thread size, length, material, grade, finish and quantity. For non-standard parts, a drawing or sample helps us confirm production details faster.
Yes. We manufacture to drawing and to sample. Send your specification through the RFQ form and we will confirm feasibility, MOQ and lead time.
Material test certificates, dimensional inspection reports and coating reports are available on request, depending on the material and finish of your order.
MOQ depends on size, material and finish — standard catalog sizes start lower, and custom parts are quoted per drawing. Samples are available for most standard items; mention sampling when you send the RFQ and we will confirm.
Lead time is confirmed per order with your quotation. Coated and custom parts need additional production and surface-treatment time. Share your target delivery date in the RFQ and we will confirm whether we can meet it before you commit.
Drawing-led manufacturing
We manufacture standard and custom fasteners to order. Tell us the size, material, grade, finish and quantity — or send your drawing — and we will confirm MOQ and lead time.