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METRIC FASTENERS DIMENSIONAL DATA
Holo-Krome Socket Countersunk Cap Screws
NOTE:There is no ISO standard for Metric countersunk cap screws. The U.S. and British standards are identical and these parts are manufactured to ASME/ANSI B18.3.5M
 Holo_Krome Metric Flat Head Cap Screws       Holo-Krome Metric Flat Head Countersunk Cap Screws
HOLO-KROME
SOCKET
COUNTERSUNK
CAP
SCREWS


NOMINAL
SIZE
OR BASIC
SCREW
DIAMETER		 THREAD
PITCH 		D A
H
 J D
BODY
DIAMETER 		HEAD
DIAMETER 		HEAD
HEIGHT 		HEXAGON
SOCKET
SIZE 		BODY
DIAMETER
MAX. MAX. REF. NOM. MIN.
M3 0.5 3 6.72 1.86 2.00 1.1
M4 0.7 4 8.96 2.48 2.50 1.5
M5 0.8 5 11.20 3.10 3.00 1.9
M6 1 6 13.44 3.72 4.00 2.2
M8 1.25 8 17.92 4.96 5.00 3.0
M10 1.5 10 22.40 6.20 6.00 3.6
M12 1.75 12 26.88 7.44 8.00 4.3
M16 2.00 16 33.60 8.80 10.00 4.8
M20 2.50 20 40.32 10.16 12.00 5.6

 
GENERAL NOTES
  1. HEAD DIAMETER. The maximum sharp values under column A are theoretical values only as it is not practical to make the edge of the head sharp.
  2. THREADS. Shall conform to ANSI B1.13M Class 4g6g Coarse Series.
  3. MATERIAL. Steel, High-grade alloy, hardened by quenching in oil from the hardening temperature and tempered to hardness of Rockwell C 37 to 43.

Caution: Information is for general reference only.
For more complete specifications consult the standards referenced, or contact us.