SteelZinc
0408MPB-10000
#4-40 x 1/2" Phillips Binder Undercut Head Machine Screws, Full Thread / Low Carbon Steel / Zinc
$177.90 – $463.30
Bulk Box (10,000 pcs)
$463.30
#4-40 Machine Screws
1,088 products
#4-40 Machine Screws in all available lengths, grades, materials, and finishes.
#4-40 Thread Specifications
- Nominal diameter: 0.112"
- Threads per inch: 40
- Tap drill (75% thread): #43 (0.089")
- Clearance hole (close fit): #31 (0.120")
- Clearance hole (free fit): #30 (0.128")
To thread a #4-40 hole, drill with a #43 (0.089") tap drill for a standard 75% thread. For a clearance hole that the #4-40 screw passes through, use #31 (0.120") for a close fit or #30 (0.128") for a free fit. Pair with a matching #4-40 nut or tapped hole.
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Stainless Steel18-8Passivated0408MPL188-5000#4-40 x 1/2" Phillips Fillister Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated / Series MPL188
$105.42 – $262.50Bulk Box (5,000 pcs) $262.50
Stainless Steel18-8Passivated0408MCP188-6000#4-40 x 1/2" Combo (Phillips/Square) Pan Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated
$201.60 – $525.00Bulk Box (6,000 pcs) $525.00
SteelZinc0408MCP-10000#4-40 x 1/2" Combo (Phillips/Square) Pan Head Machine Screws, Full Thread / Low Carbon Steel / Zinc
$90.00 – $234.40Bulk Box (10,000 pcs) $234.40
Stainless Steel18-8Passivated0416MSR188-5000#4-40 x 1" Slotted Round Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated
$88.92 – $231.55Bulk Box (5,000 pcs) $231.55
SteelZinc0416MH-10000#4-40 x 1" Hex Head Machine Screws, Full Thread / Low Carbon Steel / Zinc / Made in USA
$266.10 – $693.00Bulk Box (10,000 pcs) $693.00
SteelZinc0416MW-10000#4-40 x 1" Hex Washer Head Machine Screws, Full Thread / Low Carbon Steel / Zinc
$152.58 – $397.30Bulk Box (10,000 pcs) $397.30
SteelZinc0416MSR-10000#4-40 x 1" Slotted Round Head Machine Screws / Low Carbon Steel / Zinc
$143.64 – $359.10Bulk Box (10,000 pcs) $359.10
SteelZinc Yellow0416MSPY-10000#4-40 x 1" Slotted Pan Head Machine Screws, Full Thread / Low Carbon Steel / Zinc Yellow
$269.46 – $701.70Bulk Box (10,000 pcs) $701.70
SteelZinc0416MSP-10000#4-40 x 1" Slotted Pan Head Machine Screws / Low Carbon Steel / Zinc
$114.12 – $285.30Bulk Box (10,000 pcs) $285.30
NylonNatural0416MSPN-2500#4-40 x 1" Slotted Pan Head Machine Screws, Full Thread / Nylon / Natural / Made in USA
$36.02 – $105.19Bulk Box (2,500 pcs) $105.19
Stainless Steel18-8Passivated0416MSP188-5000#4-40 x 1" Slotted Pan Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated
$141.36 – $368.15Bulk Box (5,000 pcs) $368.15
Stainless Steel18-8Passivated0416MSO188-5000#4-40 x 1" Slotted Oval Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated
$92.73 – $241.45Bulk Box (5,000 pcs) $241.45
SteelZinc0416MSF-10000#4-40 x 1" Slotted Flat Head Machine Screws, Full Thread / Low Carbon Steel / Zinc / Series MSF
$173.52 – $451.90Bulk Box (10,000 pcs) $451.90
SteelZinc0416MSW-10000#4-40 x 1" Slotted Hex Washer Head Machine Screws, Full Thread / Low Carbon Steel / Zinc
$152.16 – $578.63Bulk Box (10,000 pcs) $578.63
Stainless Steel18-8Passivated0416MSF188-5000#4-40 x 1" Slotted Flat Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated
$87.81 – $228.65Bulk Box (5,000 pcs) $228.65
SteelZinc0416MSL-10000#4-40 x 1" Slotted Fillister Head Machine Screws, Full Thread / Low Carbon Steel / Zinc / Made in USA
$190.08 – $475.20Bulk Box (10,000 pcs) $475.20
SteelZinc0416MTP-10000#4-40 x 1" Torx Pan Head Machine Screws, Full Thread / Low Carbon Steel / Zinc
$173.82 – $452.70Bulk Box (10,000 pcs) $452.70
SteelZinc0416MTF-9000#4-40 x 1" Torx Flat Head Machine Screws, Full Thread / Low Carbon Steel / Zinc
$81.11 – $211.23Bulk Box (9,000 pcs) $211.23
Stainless Steel18-8Passivated0416MTP188-5000#4-40 x 1" Torx Pan Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated / Series MTP188
$129.36 – $336.90Bulk Box (5,000 pcs) $336.90
Stainless Steel18-8Passivated0416MTF188-4000#4-40 x 1" Torx Flat Head Machine Screws, Full Thread / 18-8 Stainless Steel / Passivated
$70.85 – $184.52Bulk Box (4,000 pcs) $184.52
SteelZinc0416MPP-10000#4-40 x 1" Phillips Pan Head Machine Screws / Low Carbon Steel / Zinc
$113.52 – $283.80Bulk Box (10,000 pcs) $283.80
SteelZinc0416MPT-10000#4-40 x 1" Phillips Truss Head Machine Screws, Full Thread / Low Carbon Steel / Zinc / Made in USA
$143.82 – $374.50Bulk Box (10,000 pcs) $374.50
SteelZinc0416MPR-10000#4-40 x 1" Phillips Round Head Machine Screws, Full Thread / Low Carbon Steel / Zinc
$115.20 – $300.00Bulk Box (10,000 pcs) $300.00
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