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ASME B18.6.3 Machine Screws, Tapping Screws, and Metallic Drive Screws , 2010
- CONTENTS
- FOREWORD
- COMMITTEE ROSTER
- CORRESPONDENCE WITH THE B18 COMMITTEE
- MACHINE SCREWS, TAPPING SCREWS, ANDMETALLIC DRIVE SCREWS (INCH SERIES) [Go to Page]
- 1 INTRODUCTORY NOTES
- 2 GENERAL DATA FOR MACHINE SCREW ANDTAPPING SCREW HEADS
- 3 GENERAL DATA FOR MACHINE SCREWS
- 4 GENERAL DATA FOR TAPPING SCREWS
- 5 GENERAL DATA FOR METALLIC DRIVE SCREWS
- FIGURES
[Go to Page]
- 1 Types A, AB, B, BF, BP, and BT
- 2 Types C, D, G, T, and TRS
- 3 Type F
- 4 Typical Torsional Strength Test Fixture
- TABLES
[Go to Page]
- 1 Dimensions of Slotted Flat Countersunk Head Screws
- 2 Recess Dimensions for Flat Countersunk Head Screws
- 3 Dimensions of Slotted 100-deg Flat Countersunk Head Screws (Machine Screws Only)
- 4 Recess Dimensions for 100-deg Flat Countersunk Head Screws (Machine Screws Only)
- 5 Dimensions of Slotted Close Tolerance 100-deg Flat Countersunk Head Screws
- 6 Recess Dimensions for Close Tolerance 100-deg Flat Countersunk Head Screws(Machine Screws Only)
- 7 Dimensions of Slotted Oval Countersunk Head Screws
- 8 Recess Dimensions for Oval Countersunk Head Screws
- 9 Dimensions of Slotted Undercut 82-deg Flat Countersunk Head Screws
- 10 Recess Dimensions for Undercut 82-deg Flat Countersunk Head Screws
- 11 Dimensions of Slotted Undercut Oval Countersunk Head Screws
- 12 Recess Dimensions for Undercut Oval 82-deg Countersunk Head Screws
- 13 Dimensions of Flat Countersunk Trim Head Screws
- 14 Recess Dimensions for Flat Countersunk Trim Head Screws
- 15 Dimensions of Oval 82-deg Countersunk Trim Head Screws
- 16 Recess Dimensions for Oval 82-deg Countersunk Trim Head Screws
- 17 Head Dimensions for Slotted Pan Head Screws
- 18 Dimensions of Type I Cross Recessed Pan Head Screws
- 19 Recess Dimensions for Pan Head Screws (Types IA, III, and VI)
- 20 Recess Dimensions for Combination Slotted-Pan Head Screws
- 21 Dimensions of Slotted Fillister Head Screws
- 22 Recess Dimensions for Fillister Head Screws
- 23 Dimensions of Slotted Drilled Fillister Head Screws(Machine Screws Only)
- 24 Dimensions of Slotted Truss Head Screws
- 25 Recess Dimensions for Truss Head Screws
- 26 Dimensions of Combination Slotted Truss Head Screws
- 27 Dimensions of Slotted Binding Head Screws (Machine Screws Only)
- 28 Recess Dimensions for Binding Head Screws (Machine Screws Only)
- 29 Dimensions of Plain (Unslotted) and Slotted Regular and Large Hex Head Screws
- 30 Recess Dimensions for Indented Regular and Large Hex Head Screws
- 31 Recess Dimensions for Type I Nonindented Regular and Large Hex Head Screws
- 32 Dimensions of Plain and Slotted Hex Washer Head Screws
- 33 Recess Dimensions for Indented Hex Washer Head Screws
- 34 Recess Dimensions for Combination Slotted Type I Indented Hex Washer Head Screws
- 35 Dimensions of Slotted Round Head Screws
- 36 Recess Dimensions for Round Head Screws
- 37 Recess Dimensions for Combination Slotted Round Head Screws
- 38 Dimensions of Slotted Round Washer Head Screws
- 39 Recess Dimensions for Round Washer Head Screws
- 40 Dimensions of Threads and Points for Types AB and ABR [Note (1)] Thread-FormingTapping Screws
- 41 Dimensions of Threads and Points for Types B and BP Thread-Forming Tapping Screws
- 42 Dimensions of Threads and Points for Type A Thread-Forming Tapping Screws
- 43 Dimensions of Threads and Points for Types BF and BT Thread-Cutting Tapping Screws
- 44 Dimensions of Threads and Points for Types D, F, G, and T Thread-Cutting Tapping Screws
- 45 Dimensions of Type TRS Tapping Screws
- 46 Thread Lengths for Types A, AB, B, BF, BP, and BT Tapping Screws
- 47 Thread Lengths for Types C, D, F, G, and T Tapping Screws
- 48 Standard Test-Plate Thickness and Hole Sizes for Drive-Test Inspection of Tapping Screws
- 49 Maximum Drive Torque for Type TRSTapping Screws
- 50 Torsional Strength Requirements forTapping Screws
- 51
Dimensions of Round Head Type U Metallic Drive Screws
- MANDATORY APPENDICES [Go to Page]
- I PROTRUSION GAGING OF FLAT COUNTERSUNK HEADS
- II ACROSS-CORNERS GAGING OF HEX HEADS
- III GAGING OF RECESSED HEADS, TYPES I, IA, AND III1
- IV WOBBLE GAGING OF RECESSED HEADS
- V DIMENSIONS FOR NO. 0000, NO. 000, AND NO. 00 THREAD SIZES
- VI DIMENSIONS OF TYPE C TAPPING SCREWS
- VII TYPE VI RECESS GAGE REQUIREMENTS
- NONMANDATORY APPENDICES [Go to Page]
- A. DIMENSIONS OF HEADER POINTS FOR MACHINE SCREWS BEFORE THREADING
- B. DETERMINATION OF MAXIMUM EFFECTIVE DESIGN GRIP LENGTHS
- C. FORMULAS FOR DIMENSIONS
- D.
APPROXIMATE HOLE SIZES FOR TAPPING SCREWS
- E. WRENCH OPENINGS FOR HEX HEAD SCREWS,AND SQUARE AND HEX NUTS [Go to Page]