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  • 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.
Cross Recessed Flat Countersunk Head Tapping Screws - TYPE I
Unit of Measure
1 2 3 

Item #

Description

Type

Nominal Size or Basic Screw Dia.

Ref. (M)

Ref. (T)

Ref. (N)

Driver Size

CRFCHTSIA01120XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.1120" Nominal Dia. N/A Type IA N/A No. 4 N/A 0.122 in N/A 0.081 in N/A 0.030 in N/A 1
CRFCHTSIA01250XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.1250" Nominal Dia. N/A Type IA N/A No. 5 N/A 0.148 in N/A 0.077 in N/A 0.041 in N/A 2
CRFCHTSIA01380XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.1380" Nominal Dia. N/A Type IA N/A No. 6 N/A 0.168 in N/A 0.098 in N/A 0.041 in N/A 2
CRFCHTSIA01510XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.1510" Nominal Dia. N/A Type IA N/A No. 7 N/A 0.176 in N/A 0.105 in N/A 0.041 in N/A 2
CRFCHTSIA01640XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.1640" Nominal Dia. N/A Type IA N/A No. 8 N/A 0.182 in N/A 0.112 in N/A 0.041 in N/A 2
CRFCHTSIA01900XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.1900" Nominal Dia. N/A Type IA N/A No. 10 N/A 0.198 in N/A 0.127 in N/A 0.041 in N/A 2
CRFCHTSIA02160XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.2160" Nominal Dia. N/A Type IA N/A No. 12 N/A 0.262 in N/A 0.149 in N/A 0.056 in N/A 3
CRFCHTSIA02420XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.2420" Nominal Dia. N/A Type IA N/A No. 14 N/A 0.276 in N/A 0.164 in N/A 0.057 in N/A 3
CRFCHTSIA02500XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.2500" Nominal Dia. N/A Type IA N/A 1/4 in N/A 0.276 in N/A 0.164 in N/A 0.057 in N/A 3
CRFCHTSIA02680XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.2680" Nominal Dia. N/A Type IA N/A No. 16 N/A 0.296 in N/A 0.184 in N/A 0.057 in N/A 3
CRFCHTSIA02940XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.2940" Nominal Dia. N/A Type IA N/A No. 18 N/A 0.358 in N/A 0.211 in N/A 0.086 in N/A 4
CRFCHTSIA03125XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.3125" Nominal Dia. N/A Type IA N/A 5/16 in N/A 0.358 in N/A 0.211 in N/A 0.086 in N/A 4
CRFCHTSIA03200XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.3200" Nominal Dia. N/A Type IA N/A No. 20 N/A 0.372 in N/A 0.224 in N/A 0.086 in N/A 4
CRFCHTSIA03720XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.3720" Nominal Dia. N/A Type IA N/A No. 24 N/A 0.386 in N/A 0.239 in N/A 0.086 in N/A 4
CRFCHTSIA03750XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.3750" Nominal Dia. N/A Type IA N/A 3/8 in N/A 0.386 in N/A 0.239 in N/A 0.086 in N/A 4
CRFCHTSIA04375XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.4375" Nominal Dia. N/A Type IA N/A 7/16 in N/A 0.402 in N/A 0.256 in N/A 0.086 in N/A 4
CRFCHTSIA05000XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.5000" Nominal Dia. N/A Type IA N/A 1/2 in N/A 0.418 in N/A 0.271 in N/A 0.086 in N/A 4
CRFCHTSII00600XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.0600" Nominal Dia. N/A Type II N/A No. 0 N/A 0.078 in N/A 0.036 in N/A 0.021 in N/A Point Same on all Drivers
CRFCHTSII00730XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.0730" Nominal Dia. N/A Type II N/A No. 1 N/A 0.092 in N/A 0.048 in N/A 0.024 in N/A Point Same on all Drivers
CRFCHTSII00860XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.0860" Nominal Dia. N/A Type II N/A No. 2 N/A 0.114 in N/A 0.060 in N/A 0.027 in N/A Point Same on all Drivers
CRFCHTSII00990XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.0990" Nominal Dia. N/A Type II N/A No. 3 N/A 0.133 in N/A 0.072 in N/A 0.030 in N/A Point Same on all Drivers
CRFCHTSII01120XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.1120" Nominal Dia. N/A Type II N/A No. 4 N/A 0.151 in N/A 0.082 in N/A 0.032 in N/A Point Same on all Drivers
CRFCHTSII01250XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.1250" Nominal Dia. N/A Type II N/A No. 5 N/A 0.169 in N/A 0.094 in N/A 0.035 in N/A Point Same on all Drivers
CRFCHTSII01380XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.1380" Nominal Dia. N/A Type II N/A No. 6 N/A 0.188 in N/A 0.106 in N/A 0.038 in N/A Point Same on all Drivers
CRFCHTSII01510XXX N/A Type II Cross Recessed Flat Countersunk Head Tapping Screw, 0.1510" Nominal Dia. N/A Type II N/A No. 7 N/A 0.206 in N/A 0.118 in N/A 0.040 in N/A Point Same on all Drivers
Unit of Measure
1 2 3