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    5,369 Products

    Left-Hand Threaded Rods

    Turn these rods to the left to tighten. Use them with left-hand nuts to prevent counterclockwise-moving parts from loosening.
    Medium-Strength Steel
    Image of Product. Front orientation. Contains Annotated. Threaded Rods. Left-Hand Threaded Rods.
    With tensile strengths from 110,000 psi to 125,000 psi, these rods are strong enough for most industrial applications, such as anchoring machinery and connecting pipe flanges. They are about twice as strong as low-strength steel rods. To avoid stripped threads during installation, make sure your nuts are also medium-strength steel.
    Steel—Best for dry environments since moisture will cause these rods to rust.
    Lg.,
    ft.
    Tensile Strength,
    psi
    Fastener Strength
    Grade/Class
    Hardness
    Specs.
    Met
    Each
    Steel
     
    1/4"-20
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A004000000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A13000000
     
    1/4"-28
    3125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A00500000
    6125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A13200000
     
    5/16"-18
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A00900000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A140000000
     
    5/16"-24
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A30300000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A11200000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A142000000
     
    3/8"-16
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A3040000
    3125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A01500000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A15000000
     
    3/8"-24
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A3050000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A01700000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A15200000
     
    1/2"-13
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A3060000
    3125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A02100000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A16000000
     
    1/2"-20
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A30700000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A02300000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A16200000
     
    5/8"-11
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A30800000
    3125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A02700000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A17000000
     
    5/8"-18
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A30900000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A02900000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A17200000
     
    3/4"-10
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A31000000
    3125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A03300000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A18000000
     
    3/4"-16
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A31100000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A03500000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A18200000
     
    7/8"-9
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A31200000
    3125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A03900000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A19000000
     
    7/8"-14
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A31300000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A04100000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A192000000
     
    1"-8
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A31400000
    3125,000ASTM Grade B7
    Rockwell C35ASTM A193
    95625A04500000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A200000000
     
    1"-14
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A31500000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A04700000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A202000000
     
    1 1/2"-6
    1125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A41100000
    3125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A412000000
    6125,000ASTM Grade B7
    Rockwell C34ASTM A193
    95625A413000000
     
    Low-Strength Steel
    Image of Product. Front orientation. Contains Annotated. Threaded Rods. Left-Hand Threaded Rods.
    With a tensile strength of 50,000 psi or 60,000 psi, these rods are often used to suspend light fixtures, cable trays, and conduit from ceilings. They're about half the strength of medium-strength steel rods. To avoid stripped threads during installation, make sure your nuts are also low-strength steel.
    Zinc-Plated Steel—The most common choice for areas with occasional exposure to moisture.
    Steel—Best for dry environments since moisture will cause these rods to rust.
    Lg.
    Tensile Strength,
    psi
    Hardness
    Specs.
    Met
    Each
    Zinc-Plated Steel
     
    6-32
    3 ft.50,000Rockwell B6190036A00700000
     
    8-32
    3 ft.50,000Rockwell B6190036A0100000
     
    10-24
    3 ft.50,000Rockwell B6190036A0110000
     
    1/4"-20
    3 ft.50,000Rockwell B6190036A0290000
    6 ft.50,000Rockwell B6190036A2290000
     
    5/16"-18
    3 ft.50,000Rockwell B6190036A0300000
    6 ft.50,000Rockwell B6190036A23000000
     
    3/8"-16
    3 ft.50,000Rockwell B6190036A0310000
    6 ft.50,000Rockwell B6190036A23100000
     
    7/16"-14
    3 ft.50,000Rockwell B6190036A03200000
     
    1/2"-13
    3 ft.50,000Rockwell B6190036A03300000
    6 ft.50,000Rockwell B6190036A23300000
     
    5/8"-11
    3 ft.50,000Rockwell B6190036A03500000
    6 ft.50,000Rockwell B6190036A23500000
     
    3/4"-10
    3 ft.50,000Rockwell B6190036A03600000
    6 ft.50,000Rockwell B6190036A43600000
     
    1"-8
    1 ft.50,000Rockwell B6190036A11000000
    3 ft.50,000Rockwell B6190036A03800000
    6 ft.50,000Rockwell B6190036A238000000
     
    1 1/4"-7
    1 ft.50,000Rockwell B6190036A11500000
    3 ft.50,000Rockwell B6190036A040000000
    6 ft.50,000Rockwell B6190036A240000000
     
    Steel
     
    1/4"-20
    6 ft.50,000Rockwell B6193240A0290000
     
    5/16"-18
    6 ft.50,000Rockwell B6193240A0300000
     
    3/8"-16
    6 ft.50,000Rockwell B6193240A03100000
     
    7/16"-14
    6 ft.50,000Rockwell B6193240A03200000
     
    1/2"-13
    6 ft.50,000Rockwell B6193240A03300000
     
    5/8"-11
    6 ft.50,000Rockwell B6193240A03500000
     
    3/4"-10
    1 ft.50,000Rockwell B6193240A56200000
    6 ft.50,000Rockwell B6193240A03600000
     
    7/8"-9
    1 ft.50,000Rockwell B6193240A56500000
    6 ft.50,000Rockwell B6193240A03700000
     
    1"-8
    1 ft.50,000Rockwell B6193240A56900000
    6 ft.50,000Rockwell B6193240A03800000
     
    1 1/4"-7
    1 ft.50,000Rockwell B6193240A57400000
    6 ft.50,000Rockwell B6193240A040000000
     
    M5 × 0.8 mm
    1 m50,000Rockwell B49DIN 97598817A23000000
     
    M6 × 1 mm
    16 mm50,000Rockwell B49DIN 97698817A6100000
    20 mm50,000Rockwell B49DIN 97698817A6200000
    25 mm50,000Rockwell B49DIN 97698817A6300000
    30 mm50,000Rockwell B49DIN 97698817A6400000
    40 mm50,000Rockwell B49DIN 97698817A6500000
    50 mm50,000Rockwell B49DIN 97698817A6600000
    1 m50,000Rockwell B49DIN 97598817A24000000
     
    M8 × 1.25 mm
    20 mm50,000Rockwell B49DIN 97698817A6700000
    30 mm50,000Rockwell B49DIN 97698817A6800000
    40 mm50,000Rockwell B49DIN 97698817A6900000
    50 mm50,000Rockwell B49DIN 97698817A7100000
    1 m50,000Rockwell B49DIN 97598817A25000000
     
    M10 × 1.5 mm
    30 mm50,000Rockwell B49DIN 97698817A7200000
    1 m50,000Rockwell B49DIN 97698817A26000000
     
    M12 × 1.75 mm
    300 mm50,000Rockwell B49DIN 97698817A10500000
    1 m50,000Rockwell B49DIN 97698817A27000000
     
    M14 × 2 mm
    1 m50,000Rockwell B49DIN 97698817A40100000
     
    M16 × 2 mm
    300 mm50,000Rockwell B49DIN 97698817A11500000
    1 m50,000Rockwell B49DIN 97698817A29000000
     
    M20 × 2.5 mm
    300 mm50,000Rockwell B49DIN 97698817A12000000
    1 m50,000Rockwell B49DIN 97698817A30000000
     
    M24 × 3 mm
    1 m50,000Rockwell B49DIN 97698817A40200000
     
    Stainless Steel
    Image of Product. Front orientation. Contains Annotated. Threaded Rods. Left-Hand Threaded Rods.
    More corrosion resistant than steel rods and comparable in strength to low-strength steel.
    18-8 Stainless Steel—The choice for wet and outdoor environments, these rods resist rust. However, they won't hold up to the harsh chemicals that 316 stainless steel can.
    Highly Corrosion-Resistant 316 Stainless Steel—Superior to 18-8 stainless steel, these rods won't degrade when exposed to harsh weather, salt water, and most chemicals.
    Lg.,
    ft.
    Tensile Strength,
    psi
    Hardness
    Each
    18-8 Stainless Steel
     
    1/4"-20
    370,000Rockwell B7095050A003000000
    670,000Rockwell B7095050A12000000
     
    1/4"-28
    370,000Rockwell B7095050A15900000
     
    5/16"-18
    370,000Rockwell B7095050A00700000
    670,000Rockwell B7095050A12500000
     
    3/8"-16
    170,000Rockwell B7095050A16100000
    370,000Rockwell B7095050A01100000
    670,000Rockwell B7095050A13000000
     
    3/8"-24
    170,000Rockwell B7095050A17100000
    370,000Rockwell B7095050A17200000
    670,000Rockwell B7095050A173000000
     
    1/2"-13
    170,000Rockwell B7095050A15400000
    370,000Rockwell B7095050A01600000
    670,000Rockwell B7095050A135000000
     
    1/2"-20
    170,000Rockwell B7095050A18100000
    370,000Rockwell B7095050A182000000
     
    5/8"-11
    170,000Rockwell B7095050A15500000
    370,000Rockwell B7095050A16200000
    670,000Rockwell B7095050A140000000
     
    3/4"-10
    170,000Rockwell B7095050A15600000
    370,000Rockwell B7095050A020000000
    670,000Rockwell B7095050A145000000
     
    3/4"-16
    170,000Rockwell B7095050A19100000
    370,000Rockwell B7095050A192000000
     
    1"-8
    170,000Rockwell B7095050A158000000
    370,000Rockwell B7095050A027000000
    670,000Rockwell B7095050A150000000
     
    Highly Corrosion-Resistant 316 Stainless Steel
     
    1/4"-20
    370,000Rockwell B7096155A00500000
    670,000Rockwell B7096155A14000000
     
    5/16"-18
    370,000Rockwell B7096155A00800000
    670,000Rockwell B7096155A14500000
     
    3/8"-16
    170,000Rockwell B7096155A17800000
    370,000Rockwell B7096155A01100000
    670,000Rockwell B7096155A150000000
     
    1/2"-13
    170,000Rockwell B7096155A17900000
    370,000Rockwell B7096155A01400000
    Super-Corrosion-Resistant 316 Stainless Steel Left-Hand Threaded Rod, 1/2"-13 Thread Size, 3 Feet Long
    EachIn stock
    Compatible Products for This Threaded Rod
    670,000Rockwell B7096155A155000000
     
    3/4"-10
    170,000Rockwell B7096155A181000000
    370,000Rockwell B7096155A018000000
    670,000Rockwell B7096155A165000000
     
    1"-8
    170,000Rockwell B7096155A183000000
    370,000Rockwell B7096155A026000000
     
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