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DIN 186 M8 T-head bolt envelope

DIN 186 M8 T-head bolt envelope: rectangular head 18 long × 8 wide × 5.5 high (m × n × k) on a plain Ø8 shank, example length 60 mm under the head (Xem's choice); no square neck, rounded head ends or thread

Exact dimensions. True size, no tolerance added. Threads are plain cylinders at the major diameter.

STEP STL free, CC BY 4.0 (credit "Xem Studio")

From the full sheet

T-bolts / hammer-head bolts: DIN 186 (square neck, M6–M48), DIN 787 (T-slot, M5–M48) and profile-slot hammer bolts: head length, width, height + DIN 186 envelopes: every size, notes, mating features and sources. What are the head length, width and height of a DIN 186 T-bolt (hammer-head bolt) for an M8 or M10, and what are the DIN 787 T-slot bolt dimensions?

Other sizes

• DIN 186 M6 T-head bolt envelope
• DIN 186 M10 T-head bolt envelope
• DIN 186 M12 T-head bolt envelope
• DIN 186 M16 T-head bolt envelope
• DIN 186 M20 T-head bolt envelope