Cross Recessed Flat Countersunk Head Tapping Screws
Tapping Screws
- Where specifying nominal size in decimals, zeros preceding decimal and in the fourth decimal place shall be omitted.
- Head dimensions not shown are the same as those of slotted heads
- Not practical to gage sizes No. 0 and No. 1.
Item # |
Description |
Type |
Nominal Size or Basic Screw Dia. |
Ref. (M) |
Ref. (T) |
Ref. (N) |
Driver Size |
---|---|---|---|---|---|---|---|
CRFCHTSII05000XXX | N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.5000" Nominal 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 |
CRFCHTSI02500XXX | N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.2500" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 1/4 in | Ref. (M) N/A 0.276 in | Ref. (T) N/A 0.160 in | Ref. (N) N/A 0.036 in | Driver Size N/A 3 |
CRFCHTSIA02500XXX | N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.2500" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 1/4 in | Ref. (M) N/A 0.276 in | Ref. (T) N/A 0.164 in | Ref. (N) N/A 0.057 in | Driver Size N/A 3 |
CRFCHTSII02500XXX | N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.2500" Nominal 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 |
CRFCHTSI03750XXX | N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.3750" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 3/8 in | Ref. (M) N/A 0.386 in | Ref. (T) N/A 0.234 in | Ref. (N) N/A 0.065 in | Driver Size N/A 4 |
CRFCHTSIA03750XXX | N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.3750" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 3/8 in | Ref. (M) N/A 0.386 in | Ref. (T) N/A 0.239 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CRFCHTSII03750XXX | N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.3750" Nominal 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 |
CRFCHTSI03125XXX | N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.3125" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 5/16 in | Ref. (M) N/A 0.358 in | Ref. (T) N/A 0.205 in | Ref. (N) N/A 0.061 in | Driver Size N/A 4 |
CRFCHTSIA03125XXX | N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.3125" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 5/16 in | Ref. (M) N/A 0.358 in | Ref. (T) N/A 0.211 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CRFCHTSII03125XXX | N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.3125" Nominal 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 |
CRFCHTSI04375XXX | N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.4375" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 7/16 in | Ref. (M) N/A 0.402 in | Ref. (T) N/A 0.250 in | Ref. (N) N/A 0.068 in | Driver Size N/A 4 |
CRFCHTSIA04375XXX | N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.4375" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 7/16 in | Ref. (M) N/A 0.402 in | Ref. (T) N/A 0.256 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CRFCHTSII04375XXX | N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.4375" Nominal 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 |