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Extended-Tip Steel Slotted Flat Head Screws
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The tip on the end of the shaft guides these screws into holes, keeping the screw straight and threads aligned. Like a dowel, you can also fit the tip into mating holes to keep parts aligned or hold them together, such as on shafts and other moving parts. The slotted drive is the most basic drive style and can't withstand much torque, so it's best to hand-tighten them instead of using power tools. Also known as full dog point screws.
Length is measured from the top of the head.
Black-Oxide Steel—Typically chosen for their appearance, these screws have a dark, matte coating to create a finished look. They offer minimal corrosion resistance, so they're best for dry environments.
Standard Profile—Standard-profile heads are the most common choice for flat head screws.
Head, mm | Tip, mm | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Lg., mm | Countersink Angle | Flat Head Profile | Dia. | Ht. | Dia. | Lg. | Threading | Tensile Strength, psi | Specs. Met | Certificate Type | Pkg. Qty. | Pkg. | |||
Black-Oxide Steel | |||||||||||||||
M1.4 × 0.3 mm | |||||||||||||||
| 2.5 | 90° | Standard | 2.60 | 0.84 | 0.8 | 1 | Fully Threaded | 60,000 | DIN 925 | Material Certificate | 1 | 90557A110 | 000000 | ||
M1.6 × 0.35 mm | |||||||||||||||
| 2.5 | 90° | Standard | 3.00 | 0.96 | 0.8 | 1.6 | Fully Threaded | 60,000 | DIN 925 | Material Certificate | 1 | 90557A120 | 00000 | ||
M2 × 0.4 mm | |||||||||||||||
| 4 | 90° | Standard | 3.80 | 1.20 | 1.2 | 2 | Fully Threaded | 60,000 | DIN 925 | — | 1 | 90557A130 | 0000 | ||
M2.5 × 0.45 mm | |||||||||||||||
| 4 | 90° | Standard | 4.70 | 1.50 | 1.5 | 2.5 | Fully Threaded | 60,000 | DIN 925 | Material Certificate | 1 | 90557A140 | 0000 | ||
M3 × 0.5 mm | |||||||||||||||
| 6 | 90° | Standard | 5.60 | 1.65 | 2 | 2.5 | Fully Threaded | 60,000 | DIN 925 | Material Certificate | 1 | 90557A150 | 00000 | ||
