Consolidated Tech Man - Holo-Krome

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TABLE 13 HOLO-KROME SOCKET SET SCREWS TABLE 13 DIMENSIONS NOMINAL SIZE 16 0 1 2 3 4 5 6 8 10 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 BASIC SCREW DIAMETER 0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1640 0.1900 0.2500 0.3125 0.3750 0.4375 0.5000 0.6250 0.7500 0.8750 1.0000 1/16 1/16 5/64 3/32 1/8 5/32 3/16 7/32 1/4 5/16 3/8 1/2 9/16 J(4) HEXAGON SOCKET SIZE NOM. 0.028 0.035 0.035 0.050 0.050 0.062 0.062 0.078 0.094 0.125 0.156 0.188 0.219 0.250 0.312 0.375 0.500 0.562 M(4) T (3) R MIN KEY ENGAGEMENT TO DEVELOP FUNCTIONAL SPLINE SOCKET CAPABILITY OF KEY CUP POINT FLAT POINT SIZE HEX SPLINE DIAMETERS DIAMETERS SOCKET SOCKET NOM. T MIN. H T MIN. S MAX. MIN. MAX. MIN. 0.050 0.060 0.060 0.070 0.070 0.080 0.080 0.090 0.100 0.125 0.156 0.188 0.219 0.250 0.312 0.375 0.500 0.562 NOTES FOR TABLE 13 1. LENGTH - The length of the screw shall be measured overall, parallel to axis of screw. The basic length dimension on the product shall be the nominal length expressed as a two-place decimal. STANDARD LENGTH INCREMENTS, L 0.033 0.033 0.048 0.048 0.060 0.072 0.072 0.096 0.111 0.145 0.183 0.216 0.251 0.291 0.372 0.454 0.595 – NOMINAL SCREW LENGTH STANDARD LENGTH INCREMENT 1/16 thru 3/16* .03 1/8 thru 1/2 .06 1/2 thru 1 .12 1 thru 2 .25 2 thru 6 .50 Over 6 1.00 * Applicable only to sizes 0 (0.060 in.) through 3 (0.099 in.), inclusive. LENGTH TOLERANCES, L NOMINAL SCREW LENGTH TOLERANCE ON LENGTH Up to 5/8, Incl.. ± 0.01 Over 5/8 to 2, Incl. ± 0.02 Over 2 to 6, Incl. ± 0.03 Over 6 ± 0.06 0.026 0.035 0.040 0.040 0.045 0.055 0.055 0.080 0.080 0.125 0.156 0.188 0.219 0.250 0.312 0.375 0.500 – 0.032 0.038 0.043 0.050 0.056 0.062 0.069 0.082 0.095 0.125 0.156 0.187 0.218 0.250 0.312 0.375 0.437 0.500 C 1 0.027 0.033 0.038 0.045 0.051 0.056 0.062 0.074 0.086 0.114 0.144 0.174 0.204 0.235 0.295 0.357 0.418 0.480 0.033 0.040 0.047 0.054 0.061 0.067 0.074 0.087 0.102 0.132 0.172 0.212 0.252 0.291 0.371 0.450 0.530 0.609 C 2 0.027 0.033 0.039 0.045 0.051 0.057 0.064 0.076 0.088 0.118 0.156 0.194 0.232 0.270 0.347 0.425 0.502 0.579 OVAL POINT RADIUS BASIC 0.045 0.055 0.064 0.074 0.084 0.094 0.104 0.123 0.142 0.188 0.234 0.281 0.328 0.375 0.469 0.562 0.656 0.750 Y CONE POINT ANGLE 90° ±2° FOR THESE NOMINAL LENGTHS OR LONGER: 118° ±2° FOR SHORTER NOMINAL LENGTHS 0.09 0.09 0.13 0.13 0.19 0.19 0.19 0.25 0.25 0.31 0.38 0.44 0.50 0.57 0.75 0.88 1.00 1.13 2. THREADS AND GAGING. Threads shall be Unified external thread; Class 3A, UNC and UNF Series. Acceptability of screw threads shall based on System 22 of ANSI/ASME B1.3M. Since standard gages provide only for engagement lengths up to 1- 1/2 diameters, changes in pitch diameter of either or both external and internal thread may be required for longer lengths of engagement. Class 3A does not provide a plating allowance. When plated products are required, it is recommended that Holo-Krome supply the parts plated. 3. SOCKET DEPTHS. The key engagement dimensions given in columns T H and T S of Table 13 shall apply only to nominal screw lengths equal to or longer than the lengths listed in Columns B and B 1 , respectively. For hexagon socket key engagement dimensions in screws of shorter nominal lengths than listed in Column B of Table 13, see Table 14. Spline sockets in screws shorter than those listed in Column B 1 of Table 13 shall be as deep as practicable. 4. SOCKETS. Thermo-Forging ® , a Holo-Krome patented process, provides accurately formed sockets without broaching chips. Because Thermo-Forging is not a machining process, it does not shear metal grains and the sockets can be deeper and much stronger.
HOLO-KROME SOCKET SET SCREWS TABLE 13 DIMENSIONS (Continued) NOMINAL SIZE 0 1 2 3 4 5 6 8 10 1/4 5/16 3/8 7/16 1/2 5/8 3/4 7/8 1 BASIC SCREW DIAMETER 0.0600 0.0730 0.0860 0.0990 0.1120 0.1250 0.1380 0.1640 0.1900 0.2500 0.3125 0.3750 0.4375 0.5000 0.6250 0.7500 0.8750 1.0000 P Q DIAMETER MAX. MIN. 0.040 0.049 0.057 0.066 0.075 0.083 0.092 0.109 0.127 0.156 0.203 0.250 0.297 0.344 0.469 0.562 0.656 0.750 HALF DOG POINT 0.037 0.045 0.053 0.062 0.070 0.078 0.087 0.103 0.120 0.149 0.195 0.241 0.287 0.334 0.456 0.549 0.642 0.734 LENGTH MAX. MIN. 0.017 0.021 0.024 0.027 0.030 0.033 0.038 0.043 0.049 0.067 0.082 0.099 0.114 0.130 0.164 0.196 0.227 0.260 0.013 0.017 0.020 0.023 0.026 0.027 0.032 0.037 0.041 0.059 0.074 0.089 0.104 0.120 0.148 0.180 0.211 0.240 5. CHAMFER. On screws longer than minimum lengths listed in Column B or B 1 , the face will normally be chamfered between 30° and 45°. Shorter screws will be chamfered where possible. In special applications where stripping is a problem, Holo-Krome may be able to supply unchamfered screws to provide additional stength. 6. POINT ANGLE. The angle on flat and cup point set screws is 45° plus 5° minus 0° for screws of lengths equal to or longer than those listed in Column B or B 1 ; and 30° minimum for shorter screws. The point angle applies only to that portion of the angle below the thread root diameter. 7. OVAL POINT. The oval point radius tolerance is + 0.015 inches for B SHORTEST OPTIMUM NOMINAL LENGTH TO WHICH COLUMN T APPLIES H CUP AND FLAT POINTS 0.13 0.13 0.13 0.19 0.19 0.19 0.19 0.19 0.19 0.25 0.31 0.38 0.44 0.50 0.63 0.75 0.88 1.00 90° CONE AND OVAL POINTS 0.13 0.19 0.19 0.19 0.19 0.19 0.25 0.25 0.25 0.31 0.44 0.44 0.63 0.63 0.88 1.00 1.00 1.25 HALF DOG POINTS 0.13 0.13 0.19 0.19 0.19 0.19 0.19 0.25 0.25 0.31 0.38 0.44 0.50 0.63 0.88 1.00 1.00 1.25 CUP AND FLAT POINTS nominal sizes through 5, and + 0.031 inches for screws 6 and over. 8. HALF DOG POINT ECCENTRICITY. The permissible eccentricity of the half dog axis, with respect to the axis of the thread, shall not exceed 3 per cent of the basic diameter of the screw, and in no case shall be greater than 0.005 in. for sizes up to and incl. 3/4 in. For sizes over 3/4 in. it shall not be greater than 0.010 in. (Total runout shall not exceed twice the permissible eccentricity.) 9. CONE POINT CONFIGURATION. The apex of the cone may be flattened or rounded to the extent of 10 per cent of the basic diameter of the screw. Applicable Standards and Specifications ASME/ANSI B18.3 and ASTM F912. B 1 SHORTEST OPTIMUM NOMINAL LENGTH TO WHICH COLUMN T S APPLIES 0.06 0.13 0.13 0.13 0.13 0.13 0.13 0.19 0.19 0.25 0.31 0.38 0.44 0.50 0.63 0.75 0.88 – 90°. CONE AND OVAL POINTS 0.13 0.19 0.19 0.19 0.19 0.19 0.25 0.25 0.25 0.31 0.44 0.44 0.63 0.63 0.88 1.00 1.25 – HALF DOG POINTS 0.13 0.13 0.19 0.19 0.19 0.19 0.19 0.25 0.25 0.31 0.38 0.44 0.50 0.63 0.88 1.00 1.00 – 17
Page 1 and 2: Technical Handbook 1
Page 3 and 4: ii THE HOLO-KROME QUALITY STORY Qua
Page 5 and 6: TABLE OF CONTENTS DIMENSIONAL DATA
Page 7 and 8: Intentionally Left Blank 7
Page 9 and 10: NOTES FOR TABLE 1 CONTINUED 2. THRE
Page 11 and 12: TABLE 9 HOLO-KROME SOCKET FLAT COUN
Page 13 and 14: TABLE 11 HOLO-KROME HEXAGON AND SPL
Page 15: HOLO-KROME SOCKET HEAD SHOULDER SCR
Page 19 and 20: TABLE 15 HOLO-KROME DOWEL PINS TABL
Page 21 and 22: TABLE 18 ALLEN SPLINE KEYS AND BITS
Page 23 and 24: TABLE 20 HOLO-KROME SOCKET PRESSURE
Page 25 and 26: TABLE 23 HOLO-KROME THREAD STANDARD
Page 27 and 28: MECHANICAL PROPERTIES AND APPLICATI
Page 29 and 30: WHY USE A SOCKET SCREW, INSTEAD OF
Page 31 and 32: TABLE 25 HOLO-KROME MECHANICAL PROP
Page 33 and 34: TABLE 27 DECARBURIZATION AND DISCON
Page 35 and 36: TABLE 29 HOLO-KROME BUTTON HEAD AND
Page 37 and 38: HOLO-KROME SOCKET SET SCREWS — AL
Page 39 and 40: The torsional holding power of the
Page 41 and 42: TABLE 33 HOLO-KROME PRESSURE PLUGS
Page 43 and 44: TABLE 34 HOLO-KROME DOWEL PINS MECH
Page 45 and 46: HOLO-KROME NYLOK ® * HEX-SOCKET SC
Page 47 and 48: TABLE 35 (continued) MILITARY MIL-P
Page 49 and 50: GLOSSARY OF TERMS Tensile Strength
Page 51 and 52: TAPPING HINTS There are two basic f
Page 53 and 54: TABLE A2 FASTENER STRENGTHS Fastene
Page 55 and 56: TABLE A6 HARDNESS VALUE CONVERSIONS
Page 57 and 58: METRIC FASTENERS 57
Page 59 and 60: Metric Section Index to Tables Page
Page 61 and 62: TABLE 36 HOLO-KROME METRIC SOCKET H
Page 63 and 64: TABLE 38 HOLO-KROME METRIC SOCKET H
Page 65 and 66: TABLE 40 HOLO-KROME METRIC HEXAGON
Page 67 and 68:
TABLE 42 BODY AND GRIP LENGTHS HEXA
Page 69 and 70:
NOTES FOR TABLE 43 (SHOULDER SCREWS
Page 71 and 72:
TABLE 45 DIMENSIONS OF METRIC SOCKE
Page 73 and 74:
TABLE 46 and 47 METRIC HEXAGON AND
Page 75 and 76:
TABLE 49 METRIC ALLEN SPLINE KEYS A
Page 77 and 78:
TABLE 51 HOLO-KROME METRIC SCREW TH
Page 79 and 80:
79 SIZE DIAMETER (IN.) TPI SIZE DIA
Page 81 and 82:
MECHANICAL PROPERTIES AND APPLICATI
Page 83 and 84:
TABLE 55 METRIC SOCKET HEAD CAP SCR
Page 85 and 86:
TABLE 57 HOLO-KROME STAINLESS STEEL
Page 87 and 88:
TABLE 60 HOLO-KROME METRIC SHOULDER
Page 89 and 90:
TABLE 62 METRIC ALLEN WRENCHES AND
Page 91 and 92:
TABLE 64 METRIC FASTENER RELATED ST
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Consolidated Tech Man - Holo-Krome

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