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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

CRFCHTSI00600XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.0600" Nominal Dia. N/A Type I N/A No. 0 N/A 0.062 in N/A 0.035 in N/A 0.014 in N/A 0
CRFCHTSI00730XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.0730" Nominal Dia. N/A Type I N/A No. 1 N/A 0.070 in N/A 0.043 in N/A 0.015 in N/A 0
CRFCHTSI00860XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.0860" Nominal Dia. N/A Type I N/A No. 2 N/A 0.096 in N/A 0.055 in N/A 0.017 in N/A 1
CRFCHTSI00990XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.0990" Nominal Dia. N/A Type I N/A No. 3 N/A 0.100 in N/A 0.060 in N/A 0.018 in N/A 1
CRFCHTSI01120XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.1120" Nominal Dia. N/A Type I N/A No. 4 N/A 0.122 in N/A 0.081 in N/A 0.018 in N/A 1
CRFCHTSI01250XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.1250" Nominal Dia. N/A Type I N/A No. 5 N/A 0.148 in N/A 0.074 in N/A 0.027 in N/A 2
CRFCHTSI01380XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.1380" Nominal Dia. N/A Type I N/A No. 6 N/A 0.168 in N/A 0.094 in N/A 0.029 in N/A 2
CRFCHTSI01510XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.1510" Nominal Dia. N/A Type I N/A No. 7 N/A 0.176 in N/A 0.102 in N/A 0.030 in N/A 2
CRFCHTSI01640XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.1640" Nominal Dia. N/A Type I N/A No. 8 N/A 0.182 in N/A 0.110 in N/A 0.030 in N/A 2
CRFCHTSI01900XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.1900" Nominal Dia. N/A Type I N/A No. 10 N/A 0.198 in N/A 0.124 in N/A 0.032 in N/A 2
CRFCHTSI02160XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.2160" Nominal Dia. N/A Type I N/A No. 12 N/A 0.262 in N/A 0.144 in N/A 0.035 in N/A 3
CRFCHTSI02420XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.2420" Nominal Dia. N/A Type I N/A No. 14 N/A 0.276 in N/A 0.160 in N/A 0.036 in N/A 3
CRFCHTSI02500XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.2500" Nominal Dia. N/A Type I N/A 1/4 in N/A 0.276 in N/A 0.160 in N/A 0.036 in N/A 3
CRFCHTSI02680XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.2680" Nominal Dia. N/A Type I N/A No. 16 N/A 0.296 in N/A 0.180 in N/A 0.039 in N/A 3
CRFCHTSI02940XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.2940" Nominal Dia. N/A Type I N/A No. 18 N/A 0.358 in N/A 0.205 in N/A 0.061 in N/A 4
CRFCHTSI03125XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.3125" Nominal Dia. N/A Type I N/A 5/16 in N/A 0.358 in N/A 0.205 in N/A 0.061 in N/A 4
CRFCHTSI03200XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.3200" Nominal Dia. N/A Type I N/A No. 20 N/A 0.372 in N/A 0.219 in N/A 0.062 in N/A 4
CRFCHTSI03720XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.3720" Nominal Dia. N/A Type I N/A No. 24 N/A 0.386 in N/A 0.234 in N/A 0.065 in N/A 4
CRFCHTSI03750XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.3750" Nominal Dia. N/A Type I N/A 3/8 in N/A 0.386 in N/A 0.234 in N/A 0.065 in N/A 4
CRFCHTSI04375XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.4375" Nominal Dia. N/A Type I N/A 7/16 in N/A 0.402 in N/A 0.250 in N/A 0.068 in N/A 4
CRFCHTSI05000XXX N/A Type I Cross Recessed Flat Countersunk Head Tapping Screw, 0.5000" Nominal Dia. N/A Type I N/A 1/2 in N/A 0.418 in N/A 0.265 in N/A 0.069 in N/A 4
CRFCHTSIA00600XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.0600" Nominal Dia. N/A Type IA N/A No. 0 N/A 0.062 in N/A 0.036 in N/A 0.018 in N/A 0
CRFCHTSIA00730XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.0730" Nominal Dia. N/A Type IA N/A No. 1 N/A 0.070 in N/A 0.044 in N/A 0.018 in N/A 0
CRFCHTSIA00860XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.0860" Nominal Dia. N/A Type IA N/A No. 2 N/A 0.096 in N/A 0.055 in N/A 0.029 in N/A 1
CRFCHTSIA00990XXX N/A Type IA Cross Recessed Flat Countersunk Head Tapping Screw, 0.0990" Nominal Dia. N/A Type IA N/A No. 3 N/A 0.100 in N/A 0.060 in N/A 0.029 in N/A 1
Unit of Measure
1 2 3