Praxis wrote:I'd like to note that between http://www.boltdepot.com and http://www.fastenal.com, you can order pretty much all the bits you'd get from McMaster-Carr. In some cases, it makes the most sense to buy from McMaster, otherwise, Boltdepot is cheaper if both it and fastenal have the same part. You can get all the annoying nylon spacers from Fastenal. According to my spreadsheet, without shipping, this reduces the 'McMaster Car BOM' from about $280 to about $86.
I should note I zeroed out the 5mmx10mmx1mm shims; these seem to be for the v-wheel/idler bearings, but now that we're buying those as a kit they come with, don't they? Also, in some cases, such as the spacers, the exact dimensions weren't available, so I generally chose the closest fit. In any case the difference is in the .02-.04" range.
Grr. I wish there was an easy way to embed that list here. Here's it in CSV format:
edit: Just realized I used the old BOM and not the new one listed here, so it is probably possible to save another few dollars eliminating depricated parts.
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,,,,,,McMaster Carr Price,Alternate Source Price,Alternate Source,Alt Source #
B18009-0800,Threaded Rod 1/4-20 x 8.00,"Zinc-Plated Steel Fully Threaded Stud 1/4""-20 Thread, 8"" Length, packs of 10
",3,McMaster Carr,95475A572,$13.04,$3.24,www.fastenal.com,11126145
B18009-1000,Threaded Rod 1/4-20 x 10.00,"Zinc-Plated Steel Fully Threaded Stud 1/4""-20 Thread, 10"" Length, packs of 5
",1,McMaster Carr,95475A576,$8.26,$1.36,www.fastenal.com,11126149
B18026,Shim 5mm 10mm 1mm,"Metric Spring Steel Shim - DIN 988 1.0mm Thick, 5mm ID, 10mm OD, packs of 50
",10,McMaster Carr,98055A099,$8.26,$0.00,,
B18029-1200,"Shaft, 0.250 dia. 12.00 Long","Hardened Precision Steel Shaft 1/4"" Diameter, 12"" Length
",1,McMaster Carr,6061K31,$5.11,$5.11,,
B18029-1400,"Shaft, 0.250 dia. 14.00 Long","Hardened Precision Steel Shaft 1/4"" Diameter, 14"" Length
",1,McMaster Carr,6061K415,$6.04,$6.04,,
B28002,Grommet 1/2ID 3/4Panel Hole,"Push-in Grommet 1/2"" ID, 1"" OD, 3/32"" Thk for a 3/4"" Dia Panel Hole, packs of 50
",3,McMaster Carr,9600K22,$9.27,$9.27,,
B28022,Leveling Foot 10-24 Thread,"HI-Cap Leveling Mount w/ Zinc-Plated STL Stud 10-24 X 1-1/2"" L Thread, 1-3/16"" Base Dia
",4,McMaster Carr,62805K31,$7.92,$7.92,,
B28023,Duct Flange 4.00,"Steel Angle Ring with 6 Holes, 4"" Duct Diameter, 9/32"" Hole
",1,McMaster Carr,1764K42,$4.31,$4.31,,
FHMSM510S,Flat Head Machine Screw M5 x 10mm,"Metric Flat Head Phillips Machine Screw Zinc-Plated STL, M5 Size, 10mm Length, .8mm Pitch, packs of 100
",8,McMaster Carr,91420A320,$4.05,$1.04,boltdepot.com,5123
FLW04SS,Flat Washer #4 Std Size,"18-8 Stainless Steel Type A SAE Flat Washer NO. 4 Screw Size, 5/16"" OD, .02""-.04"" Thick, packs of 100
",18,McMaster Carr,96659A101,$2.96,$2.96,,
FLW10SS,Flat Washer #10 Std Size,"Black-Oxide Steel Type A SAE Flat Washer NO. 10 Screw Size, 1/2"" OD, .03""-.07"" Thick, packs of 100
",94,McMaster Carr,97416A115,$3.82,$3.82,,
HN0256NL,Hex Nut #2-56 Nylon Locking,"Znc-Pltd Grade 2 STL Nylon-Insert Hex Locknut 2-56 Thread Size, 1/4"" Width, 9/64"" Height, packs of 100
",10,McMaster Carr,90631A003,$3.45,$1.71,www.fastenal.com,37003
HN0440NL,Hex Nut #4-40 Nylon Locking,"Znc-Pltd Grade 2 STL Nylon-Insert Hex Locknut 4-40 Thread Size, 1/4"" Width, 9/64"" Height, packs of 100
",12,McMaster Carr,90631A005,$2.55,$0.60,boltdepot.com,9193
HN1032SS,Hex Nut #10-32 Std Size,"Type 316 SS Machine Screw Hex Nut 10-32 Thread Size, 3/8"" Width, 1/8"" Height, packs of 100
",6,McMaster Carr,90257A411,$9.22,$0.36,boltdepot.com,2561
HN2520NLT,Hex Nut #1/4-20 Nylon Locking Thin,"Grade 8 Steel Nylon-Insert Thin Hex Locknut Znc-Yellow Pltd, 1/4""-20 Thrd Sz, 7/16"" W, 13/64"" H, packs of 100
",4,McMaster Carr,94945A205,$6.70,$0.54,www.fastenal.com,37183
HNM5NL,Hex Nut M5 Nylon Locking,"Metric Zinc-Plated Steel Nylon-Insert Locknut Class 8, M5 Sz, .8mm Pitch, 8mm Width, 5mm Height, packs of 100
",20,McMaster Carr,90576A104 ,$4.18,$1.40,boltdepot.com,4794
PHMS025610S,Pan Head Machine Screw #2-56x5/8,"18-8 SS Pan Head Phillips Machine Screw 2-56 Thread, 5/8"" Length, packs of 100
",10,McMaster Carr,91772A082,$4.15,$0.60,boltdepot.com,7656
PHMS063206SEM,Pan Head Mach Screw #6-32 x 3/8 SEMS,"Zinc-Plated Steel Pan Head Phil Machine Screw External Washer, 6-32 Thread, 3/8"" Length, packs of 100
",3,McMaster Carr,90402A146,$6.95,$0.15,boltdepot.com,1335
PHMSM308S,Pan Head Machine Screw M3 x 8mm,"18-8 SS Metric Pan Head Phil Machine Screw M3 Size, 8mm Length, .5mm Pitch, packs of 100
",2,McMaster Carr,92000A118,$4.66,$0.10,boltdepot.com,6831
PHMSM310S,Pan Head Machine Screw M3 x 10mm,"18-8 SS Metric Pan Head Phil Machine Screw M3 Size, 10mm Length, .5mm Pitch, packs of 100
",10,McMaster Carr,92000A120,$4.34,$0.60,boltdepot.com,6832
SHMS103216N,Socket Head Machine Screw #10-32x1 Nylon,"Nylon Socket Head Cap Screw 10-32 Thread, 1"" Length, Black, packs of 100
",6,McMaster Carr,97334A992,$6.41,$0.56,www.fastenal.com,184117
SHMSM330S,Socket Head Machine Screw M3x30mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M3 Thread, 30mm Length, 0.50mm Pitch, packs of 100
",4,McMaster Carr,91290A130,$9.82,$0.44,boltdepot.com,6838
SHMSM510S,Socket Head Machine Screw M5x10mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M5 Thread, 10mm Length, 0.80mm Pitch, packs of 100
",184,McMaster Carr,91290A224,$13.98,$16.22,boltdepot.com,5176
SHMSM512S,Socket Head Machine Screw M5x12mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M5 Thread, 12mm Length, 0.80mm Pitch, packs of 100
",34,McMaster Carr,91290A228,$8.02,$4.08,boltdepot.com,5177
SHMSM514S,Socket Head Machine Screw M5x14mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M5 Thread, 14mm Length, 0.80mm Pitch, packs of 100
",7,McMaster Carr,91290A230,$7.90,1.47,www.fastenal.com,39539
SHMSM525S,Socket Head Machine Screw M5x25mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M5 Thread, 25mm Length, 0.80mm Pitch, packs of 100
",8,McMaster Carr,91290A252,$9.24,$1.20,boltdepot.com,5180
SHMSM530S,Socket Head Machine Screw M5x30mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M5 Thread, 30mm Length, 0.80mm Pitch, packs of 100
",7,McMaster Carr,91290A254,$10.22,$1.26,boltdepot.com,5181
SHMSM535S,Socket Head Machine Screw M5x35mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M5 Thread, 35mm Length, 0.80mm Pitch, packs of 100
",9,McMaster Carr,91290A256,$13.28,$1.89,boltdepot.com,5182
SHMSM545S,Socket Head Mach Screw M5 x 45mm,"Metric Class 12.9 Socket Head Cap Screw Alloy Steel, M5 Thread, 45mm Length, 0.80mm Pitch, packs of 50
",1,McMaster Carr,91290A260,$7.98,$0.31,boltdepot.com,5184
SLW04SS,Split Lock Washer #4,"18-8 Stainless Steel Split Lock Washer NO. 4 Screw Size, .21"" OD, .02"" min Thick, packs of 1000
",8,McMaster Carr,92146A005,$5.22,$0.42,www.fastenal.com,173186
SLW10SS,Split Lock Washer #10,"18-8 Stainless Steel Split Lock Washer NO. 10 Screw Size, .34"" OD, .04"" min Thick, packs of 1000
",10,McMaster Carr,92146A011,$12.84,$0.65,www.fastenal.com,173190
SN1032SS,Square Nut #10-32,"18-8 Stainless Steel Square Nut 10-32 Thread Size, 3/8"" Width, 1/8"" Height, packs of 100
",6,McMaster Carr,94785A411,$9.26,$1.19,www.fastenal.com,170850
SPACER_115_250_875,SPACER .115D .250DIA .875LG,"Nylon Unthreaded Spacer 1/4"" OD, 7/8"" Length, #4 Screw Size, packs of 100
",4,McMaster Carr,94639A208,$9.35,$0.38,www.fastenal.com,145666
SPACER_192_312_125,SPACER .192ID .312DIA .125LG,"Nylon Unthreaded Spacer 5/16"" OD, 1/8"" Length, #10 Screw Size, packs of 100
",2,McMaster Carr,94639A350,$7.04,$0.22,www.fastenal.com,145767
SPACER_192_312_250,SPACER .192ID .312DIA .250LG,"Nylon Unthreaded Spacer 5/16"" OD, 1/4"" Length, #10 Screw Size, packs of 100
",12,McMaster Carr,94639A352,$7.45,$1.43,www.fastenal.com,145769
SPACER_192_375_375,SPACER .192ID .375DIA .375LG,"Nylon Unthreaded Spacer 3/8"" OD, 3/8"" Length, #10 Screw Size, packs of 100
",2,McMaster Carr,94639A454,$8.05,$0.32,www.fastenal.com,145783
SPACER_192_375_875,SPACER .192ID .375DIA .875LG,"Nylon Unthreaded Spacer 3/8"" OD, 7/8"" Length, #10 Screw Size, packs of 100
",6,McMaster Carr,94639A450,$9.64,$1.07,www.fastenal.com,145789
THMS044008S,TRUSS HEAD SCREW #4-40 x 1/2,"18-8 SS Truss Head Phillips Machine Screw 4-40 Thread, 1/2"" Length, packs of 100
",14,McMaster Carr,91770A096,$4.70,$0.70,boltdepot.com,6904
THMS063204S,TRUSS HEAD SCREW #6-32 x 1/4,"18-8 SS Truss Head Phillips Machine Screw 6-32 Thread, 1/4"" Length, packs of 100
",10,McMaster Carr,91770A144,$4.35,$0.50,boltdepot.com,6908
,,,,,,$283.99,$85.44,,
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