Cross Recessed Oval Countersunk Head Tapping Screws
Tapping Screws
- Applicable to screw types as indicated by code symbols.
Type AB thread forming.
Type A thread forming, except for short lengths.
Types B and BP thread forming; and Types BF and BT thread cutting
Type C thread forming; and Types D, F, G, and T thread cutting. - Head dimensions not shown are the same as those of slotted heads.
- Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
Item # |
Description |
Type |
Nominal Size or Basic Screw Dia. |
Ref. (M) |
Ref. (T) |
Ref. (N) |
Driver Size |
---|---|---|---|---|---|---|---|
CROCHTSII05000XXX | N/A Type II Cross Recessed Oval Countersunk Head Tapping Screw, with 0.430" Recess Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A 1/2 in | Ref. (M) N/A 0.593 in | Ref. (T) N/A 0.358 in | Ref. (N) N/A 0.098 in | Driver Size N/A Point Same on all Drivers |
CROCHTSI02500XXX | N/A Type I Cross Recessed Oval Countersunk Head Tapping Screw, with 0.284" Recess Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 1/4 in | Ref. (M) N/A 0.284 in | Ref. (T) N/A 0.160 in | Ref. (N) N/A 0.040 in | Driver Size N/A 3 |
CROCHTSIA02500XXX | N/A Type IA Cross Recessed Oval Countersunk Head Tapping Screw, with 0.284" Recess Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 1/4 in | Ref. (M) N/A 0.284 in | Ref. (T) N/A 0.168 in | Ref. (N) N/A 0.057 in | Driver Size N/A 3 |
CROCHTSII02500XXX | N/A Type II Cross Recessed Oval Countersunk Head Tapping Screw, with 0.284" Recess Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A 1/4 in | Ref. (M) N/A 0.344 in | Ref. (T) N/A 0.195 in | Ref. (N) N/A 0.061 in | Driver Size N/A Point Same on all Drivers |
CROCHTSI03750XXX | N/A Type I Cross Recessed Oval Countersunk Head Tapping Screw, with 0.404" Recess Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 3/8 in | Ref. (M) N/A 0.404 in | Ref. (T) N/A 0.245 in | Ref. (N) N/A 0.068 in | Driver Size N/A 4 |
CROCHTSIA03750XXX | N/A Type IA Cross Recessed Oval Countersunk Head Tapping Screw, with 0.404" Recess Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 3/8 in | Ref. (M) N/A 0.404 in | Ref. (T) N/A 0.253 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CROCHTSII03750XXX | N/A Type II Cross Recessed Oval Countersunk Head Tapping Screw, with 0.404" Recess Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A 3/8 in | Ref. (M) N/A 0.509 in | Ref. (T) N/A 0.302 in | Ref. (N) N/A 0.086 in | Driver Size N/A Point Same on all Drivers |
CROCHTSI03125XXX | N/A Type I Cross Recessed Oval Countersunk Head Tapping Screw, with 0.384" Recess Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 5/16 in | Ref. (M) N/A 0.384 in | Ref. (T) N/A 0.226 in | Ref. (N) N/A 0.065 in | Driver Size N/A 4 |
CROCHTSIA03125XXX | N/A Type IA Cross Recessed Oval Countersunk Head Tapping Screw, with 0.384" Recess Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 5/16 in | Ref. (M) N/A 0.384 in | Ref. (T) N/A 0.232 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CROCHTSII03125XXX | N/A Type II Cross Recessed Oval Countersunk Head Tapping Screw, with 0.384" Recess Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A 5/16 in | Ref. (M) N/A 0.432 in | Ref. (T) N/A 0.252 in | Ref. (N) N/A 0.074 in | Driver Size N/A Point Same on all Drivers |
CROCHTSI04375XXX | N/A Type I Cross Recessed Oval Countersunk Head Tapping Screw, with 0.416" Recess Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 7/16 in | Ref. (M) N/A 0.416 in | Ref. (T) N/A 0.257 in | Ref. (N) N/A 0.070 in | Driver Size N/A 4 |
CROCHTSIA04375XXX | N/A Type IA Cross Recessed Oval Countersunk Head Tapping Screw, with 0.416" Recess Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 7/16 in | Ref. (M) N/A 0.416 in | Ref. (T) N/A 0.265 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CROCHTSII04375XXX | N/A Type II Cross Recessed Oval Countersunk Head Tapping Screw, with 0.416" Recess Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A 7/16 in | Ref. (M) N/A 0.554 in | Ref. (T) N/A 0.332 in | Ref. (N) N/A 0.092 in | Driver Size N/A Point Same on all Drivers |