Item # CBSCB12500XXX, Countersunk Bolt and Slotted Countersunk Bolt, with 1.277" Body Dia. On Sales Systems Ltd.

Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
Flat on minimum diameter head calculated on minimum sharp and absolute minimum head diameters and 82 deg head angle.
Head shall be unslotted, unless otherwise specified. Slot dimensions are same as Slotted Flat Countersunk Head Cap Screws in American National Standard, ASME B18.6.2.
Maximum head height calculated on maximum sharp head diameter, basic bolt diameter and 78 deg head angle.
Minimum head height calculated on minimum sharp head diameter, basic bolt diameter and 82 deg head angle.

Unit of Measure

Manufacturer | Specifications | Codes and Standards

N/A Industrial Fasteners Institute

Product	N/A Round Head Bolts
Unit of Measure	N/A English
Nominal Size or Basic Bolt Dia.	N/A 1-1/4 in
Nominal Size or Basic Bolt Dia. (Decimal)	N/A 1.2500 in
Max. Body Dia. (E)	N/A 1.277 in
Min. Body Dia. (E)	N/A 1.223 in
Max. Edge Sharp Head Dia. (A)	N/A 2.337 in
Min. Edge Sharp Head Dia. (A)	N/A 2.262 in
Absolute Min. Edge Rounded or Flat Head Dia. (A)	N/A 2.187 in
Max. Flat on Min. Dia. Head (F)	N/A 0.043 in
Max. Head Height (H)	N/A 0.671 in
Min. Head Height (H)	N/A 0.582 in
Max. Slot Width (J)	N/A 0.211 in
Min. Slot Width (J)	N/A 0.193 in
Max. Slot Depth (T)	N/A 0.291 in
Min. Slot Depth (T)	N/A 0.197 in

N/A ASME B18.5 1990 (R1998)

Manufacturer