Same-Day Shipping
Machrio

Machine Screws

Quality Machine Screws products for industrial, commercial, and professional applications. Our selection includes trusted brands and competitive pricing for maintenance, repair, and operations (MRO). Suitable for manufacturing, construction, facility maintenance, and general industrial use. Bulk pricing and volume discounts available for enterprise customers.

509 products

Chrome Vanadium Steel Socket Cap Screws, 0.31 in x 2.95 in, Pkg Qty 12
Industrial|SKU: AR5451
Chrome Vanadium Steel Socket Cap Screws, 0.31 in x 2.95 in, Pkg Qty 12

These chrome-plated socket cap screws are manufactured from chrome vanadium steel for high tensile strength and durability in demanding industrial applications. The 0.31-inch thread diameter and 2.95-inch length provide a standard size for secure fastening, while the socket head design allows for a clean, low-profile installation with a square drive tool. Supplied in a practical package quantity of 12, they offer reliable performance for machinery assembly and maintenance.

$79.99In Stock
Get Quote
Chrome Vanadium Steel Socket Cap Screws, 0.39 in x 2.95 in, Pkg Qty 12
Industrial|SKU: AR5452
Chrome Vanadium Steel Socket Cap Screws, 0.39 in x 2.95 in, Pkg Qty 12

These socket cap screws are manufactured from chrome vanadium steel for high tensile strength and durability, meeting industry standards for demanding mechanical applications. The 0.39-inch thread diameter and 2.95-inch length provide a secure, flush-mount fastening solution. A corrosion-resistant chrome-plated finish ensures longevity, while the socket head design allows for high-torque installation with an Allen key. Sold in a convenient package quantity of 12 for project efficiency.

$89.99In Stock
Get Quote
Chrome Vanadium Steel Socket Screw, 0.55 in Thread, 4.92 in Length, Pkg Qty 20
Industrial|SKU: CR5266
Chrome Vanadium Steel Socket Screw, 0.55 in Thread, 4.92 in Length, Pkg Qty 20

This socket head cap screw is manufactured from chrome vanadium steel for high tensile strength and durability, meeting industry standards for demanding applications. The 0.55-inch thread and 4.92-inch length provide a secure, deep-threaded fastening solution. Its chrome-plated finish offers enhanced corrosion resistance, while the socket head design allows for high-torque installation with a hex key, ensuring a flush and tamper-resistant fit. Supplied in a quantity of 20 per package for project efficiency.

$189.99In Stock
Get Quote
Chromium Molybdenum Steel Slotted Screwdriver, 3.94 Inch, Pkg Qty 100
Industrial|SKU: AA4150687
Chromium Molybdenum Steel Slotted Screwdriver, 3.94 Inch, Pkg Qty 100

This industrial-grade slotted screwdriver is engineered for demanding, oily environments. The blade is forged from durable Chromium Molybdenum steel and features a corrosion-resistant phosphate or black oxide finish. With a precise 0.20-inch wide tip and an overall length of 3.94 inches, it provides secure engagement and leveraged torque for slotted fasteners. The ergonomic, oil-resistant handle ensures a firm, safe grip, reducing hand fatigue during repetitive tasks.

$19.99In Stock
Get Quote
DIN25201 M6 Carbon Steel Dacromet Washer, Pkg Qty 100
Industrial|SKU: AE4053109
DIN25201 M6 Carbon Steel Dacromet Washer, Pkg Qty 100

This DIN25201-compliant double self-locking washer is engineered for high-vibration environments. The 300HV carbon steel construction provides durable, reliable performance, while the Dacromet finish offers superior corrosion resistance. Its M6 thread size (approximately 0.236 inches) and self-locking design ensure a secure, permanent fastening solution that prevents loosening under dynamic loads, reducing maintenance needs. Supplied in a practical quantity of 100 pieces.

$29.99In Stock
Get Quote
Dual-Color Handle Slotted Screwdriver, 9.84 Inch Steel, Black Oxide, Pkg Qty 40
Industrial|SKU: AA7625697
Dual-Color Handle Slotted Screwdriver, 9.84 Inch Steel, Black Oxide, Pkg Qty 40

This dual-color handle slotted screwdriver features a 9.84-inch steel shaft with a durable black oxide finish for corrosion resistance. The two-tone handle provides a secure, non-slip grip for precise torque application. The tool tip is precision-machined to fit standard slotted fasteners, reducing cam-out and wear. Packaged in a bulk quantity of 40, it is suited for industrial maintenance, assembly, and MRO applications requiring a reliable, standardized hand tool.

$109.99In Stock
Get Quote
Dual-Color Steel Striking Screwdriver, 7.87 in, Chrome Vanadium, Pkg Qty 20
Industrial|SKU: AA6144241
Dual-Color Steel Striking Screwdriver, 7.87 in, Chrome Vanadium, Pkg Qty 20

This dual-color striking screwdriver is engineered for demanding industrial and trade applications. The 7.87-inch shaft is forged from chrome vanadium steel for superior strength and durability, designed to withstand hammer strikes for breaking loose seized fasteners. The dual-color handle provides a secure, non-slip grip, while the slotted tip is precision-machined to fit standard screw heads. Each unit meets rigorous industry standards, ensuring reliable performance in heavy-duty mechanical and maintenance tasks.

$99.99In Stock
Get Quote
External Tooth Lock Washers, M4, Carbon Steel, Zinc Plated, Pkg Qty 100
Industrial|SKU: AA0306971
External Tooth Lock Washers, M4, Carbon Steel, Zinc Plated, Pkg Qty 100

These external tooth lock washers are engineered to prevent fastener loosening under vibration and dynamic loads. Manufactured from 65Mn carbon steel and heat-treated to a 400 HV hardness, they provide reliable, high-strength locking performance. The zinc plating offers corrosion resistance for extended service life. Designed for use with M4 fasteners, the external teeth bite into both the bearing surface and the fastener head to maintain secure clamping force.

$9.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 1/4 Inch Steel Shaft, 3.94 Inch Length, Pkg Qty 100
Industrial|SKU: GT9161
Flat Head Slotted Screwdriver, 1/4 Inch Steel Shaft, 3.94 Inch Length, Pkg Qty 100

This flat head slotted screwdriver features a 1/4-inch diameter steel shaft for durability and a 3.94-inch overall length for access in confined spaces. The precision-milled slotted tip ensures a secure fit in standard fasteners, reducing cam-out and tool wear. Manufactured from industry-standard steel, it provides reliable torque transfer and long-term performance in professional maintenance and assembly applications. Each unit is packaged in a bulk quantity of 100 for high-volume usage.

$189.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 3.0 Inch Steel Shaft, Black Oxide Finish, Pkg Qty 80
Industrial|SKU: GT9316
Flat Head Slotted Screwdriver, 3.0 Inch Steel Shaft, Black Oxide Finish, Pkg Qty 80

This professional-grade flat head slotted screwdriver features a 3.0-inch steel shaft with a durable black oxide finish for corrosion resistance and reduced glare. The precision-machined tip is designed for a secure fit in standard slotted fasteners, minimizing cam-out and wear. Its ergonomic, industry-standard handle provides a comfortable, non-slip grip during extended use. This tool is packaged in a bulk quantity of 80 units, ideal for workshop or production line replenishment.

$89.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 3.94 Inch Steel Shaft, Pkg Qty 100
Industrial|SKU: AA5149408
Flat Head Slotted Screwdriver, 3.94 Inch Steel Shaft, Pkg Qty 100

This professional-grade flat head slotted screwdriver features a 3.94-inch steel shaft with a matte finish for durability and reduced glare. The torpedo-style handle provides a secure, comfortable grip for precise control during repetitive tasks. The precision-milled slotted tip is engineered to fit standard fasteners cleanly, minimizing cam-out and damage to screw heads. Each unit meets industry standards for material strength and is packaged in a bulk quantity of 100 for high-volume industrial or maintenance applications.

$129.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5/32" Tip, 2.95" Steel Shaft, Black Oxide, Pkg Qty 100
Industrial|SKU: GT9156
Flat Head Slotted Screwdriver, 5/32" Tip, 2.95" Steel Shaft, Black Oxide, Pkg Qty 100

This flat head slotted screwdriver features a 5/32" precision-ground tip for a secure fit in standard fasteners. The 2.95" shaft is constructed from hardened steel for durability and resistance to wear, with a black oxide finish providing corrosion protection. Its ergonomic handle offers a comfortable, non-slip grip for efficient use. Packaged in a bulk quantity of 100, this driver is suited for industrial maintenance, assembly, and repair applications requiring a reliable, standardized tool.

$159.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5.91 Inch Steel, Matte Chrome Finish, Pkg Qty 100
Industrial|SKU: AA0754069
Flat Head Slotted Screwdriver, 5.91 Inch Steel, Matte Chrome Finish, Pkg Qty 100

This professional-grade flat head slotted screwdriver is engineered for precision and durability in industrial assembly and maintenance tasks. The 5.91-inch shaft is constructed from hardened steel for strength and torque resistance, while the matte chrome finish provides corrosion protection. The precisely machined flat tip ensures a secure fit in standard slotted fasteners, reducing cam-out and damage. Packaged in a bulk quantity of 100, this driver is a reliable, cost-effective solution for high-volume workshop or production line use.

$19.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Black Oxide Finish, Pkg Qty 80
Industrial|SKU: GT9211
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Black Oxide Finish, Pkg Qty 80

This professional-grade flat head slotted screwdriver features a 5.91-inch steel shaft with a durable black oxide finish for corrosion resistance and reduced glare. The square TPR handle provides a secure, non-slip grip and allows for increased torque application with a wrench. Its precision-machined tip ensures a precise fit in standard slotted fasteners, minimizing cam-out and damage to screw heads. The tool meets industry standards for material and construction, offering reliable performance for assembly, maintenance, and repair tasks.

$109.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Chrome Plated, Pkg Qty 25
Industrial|SKU: GT9256
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Chrome Plated, Pkg Qty 25

This professional-grade flat head slotted screwdriver features a 5.91-inch steel shaft with a bright chrome plating for corrosion resistance and durability in industrial environments. The oil-resistant handle provides a secure, non-slip grip. The precision-machined tip is designed to fit standard slotted fasteners, minimizing cam-out and wear. Each tool meets industry standards for material and construction, ensuring reliable performance for maintenance and assembly tasks. Sold in a package quantity of 25.

$79.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 100
Industrial|SKU: AA5608815
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 100

This industrial-grade flat head slotted screwdriver features a 5.91-inch solid steel shaft for durability and precise torque application. The slotted drive type is compatible with standard fasteners, while the flat head design allows for flush installation. Each unit meets industry standards for material strength, ensuring reliable performance in repetitive assembly and maintenance tasks. Packaged in a bulk quantity of 100, this driver is supplied for high-volume professional environments.

$89.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 25
Industrial|SKU: GT9310
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 25

This professional-grade flat head slotted screwdriver features a 5.91-inch shaft crafted from hardened steel for durability and torque transfer. The slotted drive type is designed for compatibility with standard fasteners, while the flat head profile allows for flush installation. The tool meets industry material standards, ensuring reliable performance in industrial maintenance and assembly applications. It is supplied in a practical pack quantity of 25 for job site or workshop provisioning.

$89.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 36
Industrial|SKU: GT9128
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 36

This professional-grade flat head slotted screwdriver features a 5.91-inch, all-steel shaft for durability and precise torque application. The tool is designed to meet industry standards, ensuring reliable performance with standard slotted fasteners. Its uncoated finish provides a secure grip and clear visibility of the tip. Packaged in a convenient 36-count quantity, it is suited for industrial maintenance, assembly, and MRO applications requiring consistent, bulk tooling.

$99.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 50
Industrial|SKU: GT9123
Flat Head Slotted Screwdriver, 5.91 Inch Steel Shaft, Pkg Qty 50

This professional-grade flat head slotted screwdriver features a 5.91-inch, full-steel shaft for durability and precise torque application. The slotted drive type is engineered for compatibility with standard flat-head fasteners. Its industrial-grade steel construction meets relevant industry standards for strength and reliability in repetitive use. Packaged in a convenient 50-count quantity, it is suited for procurement as a consumable maintenance tool or for bulk distribution across multiple workstations.

$89.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 7.87 Inch Chrome Vanadium Steel, Pkg Qty 25
Industrial|SKU: AA8293063
Flat Head Slotted Screwdriver, 7.87 Inch Chrome Vanadium Steel, Pkg Qty 25

This professional-grade flat head slotted screwdriver is engineered for precision and durability in industrial applications. The 7.87-inch shaft is forged from hardened chrome vanadium steel, providing superior strength and resistance to wear. The precisely machined flat tip ensures a secure fit in slotted fasteners, reducing cam-out and damage to screw heads. Each unit meets rigorous industry standards, and the product is supplied in a convenient bulk pack of 25 for workshop or job site efficiency.

$79.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 7.87 Inch Steel Mirror Chrome, Pkg Qty 100
Industrial|SKU: GT9247
Flat Head Slotted Screwdriver, 7.87 Inch Steel Mirror Chrome, Pkg Qty 100

This professional-grade flat head slotted screwdriver features a 7.87-inch steel shaft with a durable mirror chrome finish for corrosion resistance in industrial environments. The oil-resistant handle provides a secure, non-slip grip. Its precision-machined flat tip is engineered to fit standard slotted fasteners, minimizing cam-out and reducing wear on screw heads. Each unit meets industry standards for material and construction, ensuring reliable performance for repetitive assembly and maintenance tasks. Sold in a bulk package quantity of 100 for operational efficiency.

$169.99In Stock
Get Quote
Flat Head Slotted Screwdriver, 7.87 Inch Steel Shaft, Pkg Qty 36
Industrial|SKU: GT9164
Flat Head Slotted Screwdriver, 7.87 Inch Steel Shaft, Pkg Qty 36

This professional-grade flat head slotted screwdriver features a 7.87-inch, full-steel shaft for durability and torque transfer. The precision-machined tip is designed for a secure fit in standard slotted fasteners, reducing cam-out and wear. Manufactured from steel that meets industry standards, it provides reliable performance for industrial maintenance and assembly tasks. The tool is packaged as a single unit, suitable for individual use or as part of a larger kit replenishment.

$89.99In Stock
Get Quote
Flat Head Square Drive Screwdriver, 8mm Shaft, 7.87 in, Steel, Pkg Qty 25
Industrial|SKU: GT9215
Flat Head Square Drive Screwdriver, 8mm Shaft, 7.87 in, Steel, Pkg Qty 25

This professional-grade flat head screwdriver features a 0.31-inch square drive for secure bit engagement and high-torque applications. The 7.87-inch shaft is constructed from hardened steel with a durable black oxide finish for corrosion resistance. Its precise flat head tip is engineered for slotted fasteners, providing a secure fit to prevent cam-out and reduce wear. The tool meets industry material standards, ensuring reliable performance and durability in demanding industrial and maintenance environments.

$79.99In Stock
Get Quote
Flat Slotted Screwdriver, 11.81 in Steel Shaft, Mirror Chrome, Pkg Qty 40
Industrial|SKU: GT9263
Flat Slotted Screwdriver, 11.81 in Steel Shaft, Mirror Chrome, Pkg Qty 40

This professional-grade flat slotted screwdriver features an 11.81-inch steel shaft with a durable mirror chrome finish for corrosion resistance in industrial environments. The oil-resistant handle provides a secure, non-slip grip. Its precision-machined flat tip is designed for consistent engagement with standard slotted fasteners. Each unit meets industry standards for material and construction, ensuring reliable performance for maintenance and assembly tasks. This product is packaged in a quantity of 40 for bulk procurement.

$179.99In Stock
Get Quote

Recommended Products

Frequently Asked Questions

Common questions about Machine Screws

Still have questions?