Drive Type Head Styles Material Finish Color (Polymers Only)
0 Not Applicable 0 Not Applicable AL Aluminum 00 Plain GR Green
6 6 Lobe U Bugle Head BT Boron Steel D0 Cadmium Finish BL Blue
H Hex B Button BR Brass DC Cadmium Clear Chromate BK Black
K Hex Socket G Flange Head CP Copper DY Cadmium Yellow Chromate NT Natural
I Indented Hex F Flat NY Nylon ZC Zinc Finish WH White
D Indented Hex Slotted L Fillister PL Plastic Z2 .0002 Zinc Finish RD Red
E External Torx K Hex Socket SB Silicone Bronze Z3 .0003 Zinc Finish  
P Phillips W Hex Washer SS Stainless Steel Z5 .0005 Zinc Finish  
C Phillips/Slot Combo S Hex Washer Slotted ST Steel ZY Zinc Yellow Chromate  
Z Pozidrive I Indented Hex TE Teflon ZB Zinc Black  
L Clutch D Indented Hex Slotted   ZA Zinc Blue  
S Slotted P Pan   RC Zinc Finish Trivalent Clear Chromate (RoHS Compliant)  
N Spanner O Oval   R2 .0002 Zinc Finish (RoHS Compliant)  
9 Spline C Oval Undercut   R3 .0003 Zinc Finish (RoHS Compliant)  
Q Square R Round Head   R5 .0005 Zinc Finish (RoHS Compliant)  
X Torx E Serrated Hex Washer   RY Zinc Finish Trivalent Yellow Chromate (RoHS Compliant)  
1 Torx Plus T Truss   K1 Nickel Finish  
Y Torx Tamper Resistant A Wafer Head   T1 Dacromet 320  
W Tri-Wing H Washer Head   TA Dicrhomax 3000  
U Unindented Hex     PH Phosphate Finish  
      PO Phosphate and Oil 72  
      BD Bright Dip  
      C1 Chrome Dip  
      C2 Chrome Satin  
      AN Anneal  
      PV Passivate  
      ET Electro Tin  
      IC Iridite Clear  
      IG Iridite Green  
      BO Black Oxide  
      HG Hot Dip Galvanized  
      MG Mechanically Galvanized  
      LO Light Oil