AS 568A No. Nominal Sizes (inch) Actual Sizes (inch) ID OD Width ID Width 201 3/16 7/16 1/8 0.171 ± 0.005 0.139 ± 0.004 202 1/4 1/2 1/8 0.234 ± 0.005 0.139 ± 0.004 203 5/16 9/16 1/8 0.296 ± 0.005 0.139 ± 0.004 204 3/8 5/8 1/8 0.359 ± 0.005 0.139 ± 0.004 205 … Continue reading Standard O-Ring Sizes 201-264 (AS 568)
AS 568A No. Nominal Sizes (inch) Actual Sizes (inch) ID OD Width ID Width 115 11/16 7/8 3/32 0.674 ± 0.009 0.103 ± 0.003 116 3/4 15/16 3/32 0.737 ± 0.009 0.103 ± 0.003 117 13/16 1 3/32 0.799 ± 0.010 0.103 ± 0.003 118 7/8 11/16 3/32 0.862 ± 0.010 0.103 ± 0.003 119 … Continue reading Standard O-Ring Sizes 115-178 (AS 568)
AS 568A No. Nominal Sizes (inch) Actual Sizes (inch) ID OD Width ID Width 001 1/32 3/32 1/32 0.029 ± 0.004 0.040 ± 0.003 001 1/2 1/16 1/8 1/32 0.070 ± 0.004 0.040 ± 0.003 002 3/64 9/64 3/64 0.042 ± 0.004 0.050 ± 0.003 003 1/16 3/16 1/16 0.056 ± 0.004 0.060 ± 0.003 004 … Continue reading Standard O-Ring Sizes 001-114 (AS 568)
Metric Tap Drill Chart Tap size Major Dia (mm) Threads per Tap Drill (mm) Tap Drill (inch) Clearance (mm) Clearance (inch) M1.6×0.35 1.6 0.35 1.25 #55 1.8 #49 M2x0.4 2.0 0.40 1.60 #52 2.4 #41 M2.5×0.45 2.5 0.45 2.05 #46 2.9 #32 M3x.05 3.0 0.50 2.50 #39 3.4 #29 M3.5×0.6 3.5 0.60 2.90 #32 3.9 … Continue reading Metric Thread – Tap Drill / Clearance Drill
INCH SIZES – NATIONAL FINE TAP SIZE DRILL SIZE #1-72 #53 #2-64 #50 #3-56 #46 #4-48 #42 #5-44 #37 #6-40 #33 #8-36 #29 #10-32 #21 #12-28 #15 1/4-28 #3 5/16-24 I 3/8-24 Q 7/16-20 W 1/2-20 29/64 9/16-18 33/64 5/8-18 37/64 3/4-16 11/16 7/8-14 13/16 1″-12 15/16 1-1/8-12 1-3/64 1-1/4-12 1-11/64 1-1/2-12 1-27/64 1-3/4-12 1-43/64 … Continue reading Tap Drill Size – UNF
INCH SIZES – NATIONAL COARSE TAP SIZE DRILL SIZE #0-80 3/64″ #1-64 #53 #2-56 #51 #3-48 5/64″ #4-40 #43 #5-40 #39 #6-32 #36 #8-32 #29 #10-24 #25 #12-24 #17 1/4-20 #7 5/16-18 F 3/8-16 5/16 7/16-14 U 1/2-13 27/64 9/16-12 31/64 5/8-11 17/32 3/4-10 21/32 7/8-9 49/64 1″-8 7/8 1-1/8-7 63/64 1-1/4-7 1-7/64 1-1/2-6 1-11/32 … Continue reading Tap Drill Size – UNC
Size Major Dia Threads Per Inch Pitch Dia Minor Dia External Minor Dia Internal Minor Dia Area Tensile Stress Area # inch tpi inch inch inch sq. inch sq. inch #0 0.06 80 0.0519 0.0451 0.0465 0.00151 0.0018 #1 0.073 72 0.064 0.0565 0.058 0.00237 0.00278 #2 0.086 64 0.0759 0.0674 0.0691 0.00339 0.00394 #3 … Continue reading Unified Screw Threads – Fine (UNF)
Size Major Dia Threads Per Inch Pitch Dia Minor Dia External Minor Dia Internal Minor Dia Area Tensile Stress Area # inch tpi inch inch inch sq. inch sq. inch #1 0.073 64 0.0629 0.0544 0.0561 0.00218 0.00263 #2 0.086 56 0.0744 0.0648 0.0667 0.0031 0.0037 #3 0.099 48 0.0855 0.0741 0.0764 0.00406 0.00487 #4 … Continue reading Unified Screw Threads – Course (UNC)
At DFW Machine, we try to cut costs and save our customers money. The best way to contact us for general inquiries or to request a quote is to use the form below. If you submit a RFQ, please include at a minimum: Material Quantity Lead Time – DFW Machine strives to provide rapid service. While we … Continue reading Get A Quote
DFW Machine is a machining and fabrication service provider built around an array of North Texas facilities specializing in: Precision Machining Low-volume Production Fabrication Prototyping Mechanical Assembly DFW Machine provides unprecedented value to our customers by maintaining close ties to the most efficient, specialized machine shops, materials suppliers and fabricators in the Dallas/Fort Worth … Continue reading About DFW Machine