GB/T 4261-1984 in English
SUPERSEDEDCounterbores with morse taper shanks and detachable pilots
- Issued on:1984-03-28
- Implemented on:1985-01-01
- File Format:PDF
- Delivery:Via email within 1~3 business days
$175.00
《GB/T 4261-1984带可换导柱锥柄平底锪钻》。
Scope
This standard is applicable to the processing of hexagonal head bolts, hexagonal nuts with washers, and cylindrical head screws (including hexagonal socket screws and internal spline screws) specified in the standard GB152-76 "Fastener Through Hole and Countersunk Head Seat Dimensions". Countersink drill with taper shank on headstock.

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