Cross Recessed Undercut Flat Countersunk Head Tapping Screws
Tapping Screws
- When 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.
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Item # |
Description |
Type |
Nominal Size or Basic Screw Dia. |
Ref. (M) |
Ref. (T) |
Ref. (N) |
Driver Size |
---|---|---|---|---|---|---|---|
CRUFCHTSI05000XXX | N/A Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.5000" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A 1/2 in | Ref. (M) N/A 0.402 in | Ref. (T) N/A 0.252 in | Ref. (N) N/A 0.068 in | Driver Size N/A 4 |
CRUFCHTSIA05000XXX | N/A Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.5000" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A 1/2 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 |
CRUFCHTSII05000XXX | N/A Type II Cross Recessed Undercut 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 0.548 in | Ref. (T) N/A 0.328 in | Ref. (N) N/A 0.090 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSIA02500XXX | N/A Type IA Cross Recessed Undercut 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 0.242 in | Ref. (T) N/A 0.128 in | Ref. (N) N/A 0.056 in | Driver Size N/A 3 |
CRUFCHTSII02500XXX | N/A Type II Cross Recessed Undercut 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 0.304 in | Ref. (T) N/A 0.169 in | Ref. (N) N/A 0.054 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSI02500XXX | N/A Type I Cross Recessed Undercut 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 0.244 in | Ref. (T) N/A 0.124 in | Ref. (N) N/A 0.032 in | Driver Size N/A 3 |
CRUFCHTSI03750XXX | N/A Type I Cross Recessed Undercut 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 0.358 in | Ref. (T) N/A 0.205 in | Ref. (N) N/A 0.061 in | Driver Size N/A 4 |
CRUFCHTSIA03750XXX | N/A Type IA Cross Recessed Undercut 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 0.358 in | Ref. (T) N/A 0.211 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CRUFCHTSII03750XXX | N/A Type II Cross Recessed Undercut 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 0.453 in | Ref. (T) N/A 0.266 in | Ref. (N) N/A 0.077 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSIA03125XXX | N/A Type IA Cross Recessed Undercut 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 0.310 in | Ref. (T) N/A 0.163 in | Ref. (N) N/A 0.085 in | Driver Size N/A 4 |
CRUFCHTSII03125XXX | N/A Type II Cross Recessed Undercut 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 0.381 in | Ref. (T) N/A 0.218 in | Ref. (N) N/A 0.066 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSI03125XXX | N/A Type I Cross Recessed Undercut 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 0.310 in | Ref. (T) N/A 0.157 in | Ref. (N) N/A 0.053 in | Driver Size N/A 4 |
CRUFCHTSI04375XXX | N/A Type I Cross Recessed Undercut 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 0.386 in | Ref. (T) N/A 0.234 in | Ref. (N) N/A 0.065 in | Driver Size N/A 4 |
CRUFCHTSIA04375XXX | N/A Type IA Cross Recessed Undercut 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 0.386 in | Ref. (T) N/A 0.239 in | Ref. (N) N/A 0.086 in | Driver Size N/A 4 |
CRUFCHTSII04375XXX | N/A Type II Cross Recessed Undercut 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 0.498 in | Ref. (T) N/A 0.295 in | Ref. (N) N/A 0.083 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSII00600XXX | N/A Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.0600" Nominal Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A No. 0 | Ref. (M) N/A 0.067 in | Ref. (T) N/A 0.029 in | Ref. (N) N/A 0.020 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSIA00600XXX | N/A Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.0600" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A No. 0 | Ref. (M) N/A 0.062 in | Ref. (T) N/A 0.036 in | Ref. (N) N/A 0.018 in | Driver Size N/A 0 |
CRUFCHTSI00600XXX | N/A Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.0600" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A No. 0 | Ref. (M) N/A 0.062 in | Ref. (T) N/A 0.035 in | Ref. (N) N/A 0.014 in | Driver Size N/A 0 |
CRUFCHTSI00730XXX | N/A Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.0730" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A No. 1 | Ref. (M) N/A 0.070 in | Ref. (T) N/A 0.043 in | Ref. (N) N/A 0.015 in | Driver Size N/A 0 |
CRUFCHTSIA00730XXX | N/A Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.0730" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A No. 1 | Ref. (M) N/A 0.070 in | Ref. (T) N/A 0.044 in | Ref. (N) N/A 0.018 in | Driver Size N/A 0 |
CRUFCHTSII00730XXX | N/A Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.0730" Nominal Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A No. 1 | Ref. (M) N/A 0.082 in | Ref. (T) N/A 0.039 in | Ref. (N) N/A 0.022 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSIA01900XXX | N/A Type IA Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.1900" Nominal Dia. | Type N/A Type IA | Nominal Size or Basic Screw Dia. N/A No. 10 | Ref. (M) N/A 0.182 in | Ref. (T) N/A 0.112 in | Ref. (N) N/A 0.041 in | Driver Size N/A 2 |
CRUFCHTSI01900XXX | N/A Type I Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.1900" Nominal Dia. | Type N/A Type I | Nominal Size or Basic Screw Dia. N/A No. 10 | Ref. (M) N/A 0.182 in | Ref. (T) N/A 0.110 in | Ref. (N) N/A 0.030 in | Driver Size N/A 2 |
CRUFCHTSII01900XXX | N/A Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.1900" Nominal Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A No. 10 | Ref. (M) N/A 0.236 in | Ref. (T) N/A 0.132 in | Ref. (N) N/A 0.045 in | Driver Size N/A Point Same on all Drivers |
CRUFCHTSII02160XXX | N/A Type II Cross Recessed Undercut Flat Countersunk Head Tapping Screw, 0.2160" Nominal Dia. | Type N/A Type II | Nominal Size or Basic Screw Dia. N/A No. 12 | Ref. (M) N/A 0.260 in | Ref. (T) N/A 0.148 in | Ref. (N) N/A 0.048 in | Driver Size N/A Point Same on all Drivers |
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