We-re nuts about bolts. Imperial, Unified & Metric.
1/4 BSF x 1 3/4 A2 ST/ST SLOT CSK HD SCREW
Product Code: SMCBF0250175
Machine threaded screws, or more simply machine screws, for use in tapped holes or with similar sized nuts. Available in many head styles and various materials.
from Kerridge Commercial Systems Ltd