Threaded Shank Drill Bits

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Threaded shank drill bits are ideal for holding components securely in place and preventing slippage during drilling operations. They can optimise cutting performance, chip evacuation or material removal efficiency based on specific application requirements.

ROCKY MOUNTAIN TWIST -

Threaded Shank Drill Bits

StyleModelDecimal EquivalentMaterialFlute LengthOverall LengthPrimary Material ApplicationDrill Bit SizeMax. Drilling DepthFinishPrice (inc. VAT)
A953CO3/32SS0.0937Cobalt0.562"1"Steel-0.562"Black Oxide£4.87
B953HS3/32ST0.0937High Speed Steel0.312"1/2"Cast Iron, Steel-0.312"Black Oxide£4.96
B953HS3/32SS0.0937High Speed Steel0.562"1"Cast Iron, Steel-0.562"Black Oxide£4.57
A953CO3/32VS0.0937Cobalt1/4"0.406"Steel-1/4"Black Oxide£6.99
A953CO3/32LS0.0937Cobalt7/8"2 1/8"Steel-7/8"Black Oxide£5.62
A953CO3/32ST0.0937Cobalt0.312"1/2"Steel-0.312"Black Oxide£5.39
B953HS3/32LS0.0937High Speed Steel7/8"2 1/8"Cast Iron, Steel-7/8"Black Oxide£5.39
B953HS40ST0.098High Speed Steel0.312"1/2"Cast Iron, Steel-0.312"Black Oxide£4.27
B953HS40SS0.098High Speed Steel0.562"1"Cast Iron, Steel-0.562"Black Oxide£4.39
A953CO40LS0.098Cobalt7/8"2 1/8"Steel-7/8"Black Oxide£5.20
A953CO40SS0.098Cobalt0.562"1"Steel-0.562"Black Oxide£4.14
B953HS40VS0.098High Speed Steel1/4"0.406"Cast Iron, Steel-1/4"Black Oxide£5.56
A953CO40ST0.098Cobalt0.312"1/2"Steel-0.312"Black Oxide£4.69
B953HS40LS0.098High Speed Steel7/8"2 1/8"Cast Iron, Steel-7/8"Black Oxide£4.19
A953CO40VS0.098Cobalt1/4"0.406"Steel-1/4"Black Oxide£6.77
C953HS39LS0.0995High Speed Steel7/8"2 1/8"Cast Iron, Steel-7/8"Black Oxide£5.43
C953HS39ST0.0995High Speed Steel0.312"1/2"Cast Iron, Steel-0.312"Black Oxide£5.19
C953HS39SS0.0995High Speed Steel0.562"1"Cast Iron, Steel-0.562"Black Oxide£4.96
B953HS35SS0.11High Speed Steel0.562"1"Cast Iron, Steel-0.562"Black Oxide£4.57
B953HS35LS0.11High Speed Steel7/8"2 1/8"Cast Iron, Steel-7/8"Black Oxide£5.43
A953CO35LS0.11Cobalt7/8"2 1/8"Steel-7/8"Black Oxide£5.89
A953CO35ST0.11Cobalt0.312"1/2"Steel-0.312"Black Oxide£5.84
A953CO35SS0.11Cobalt0.562"1"Steel-0.562"Black Oxide£4.78
B953HS35ST0.11High Speed Steel0.312"1/2"Cast Iron, Steel-0.312"Black Oxide£5.26
C953HS31SS0.12High Speed Steel0.562"1"Cast Iron, Steel-0.562"Black Oxide£4.64
APPROVED VENDOR -

Cobalt Threaded Shank Drill

StyleModelDecimal EquivalentFlute LengthOverall LengthWire SizeFractional SizeFinishPoint AnglePrice (inc. VAT)
A16W7820.0980.562"1"#40-Black Oxide135°£8.01
B16W7600.0980.312"1/2"#40-Black Oxide135°£6.99
C16W8050.0987/8"2 1/8"#40-Black Oxide135°£9.12
A16W8010.250.562"1.071"-1/4"Black Oxide135°£9.77
C16W8230.251 1/8"2 1/8"-1/4"Black Oxide135°£12.87
A16W7840.1250.562"1"-1/8"Black Oxide135°£7.85
C16W8070.1257/8"2 1/8"-1/8"Black Oxide135°£8.49
B16W7670.1590.312"0.562"#21-Black Oxide135°£6.39
A16W7890.1590.562"1.071"#21-Black Oxide135°£6.20
C16W8120.1591 1/8"2 1/8"#21-Black Oxide135°£7.02
C16W8130.1611 1/8"2 1/8"#20-Black Oxide135°£7.55
B16W7680.1610.312"0.562"#20-Black Oxide135°£7.55
C16W8150.1771 1/8"2 1/8"#16-Black Oxide135°£10.43
A16W7920.1770.562"1.071"#16-Black Oxide135°£6.58
A16W7930.1850.562"1.071"#13-Black Oxide135°£7.99
C16W8160.1851 1/8"2 1/8"#13-Black Oxide135°£10.14
B16W7710.1850.312"0.562"#13-Black Oxide135°£8.06
A16W7950.1890.562"1.071"#12-Black Oxide135°£5.92
C16W8180.1891 1/8"2 1/8"#12-Black Oxide135°£10.14
B16W7740.1910.312"0.562"#11-Black Oxide135°£8.06
C16W8190.1911 1/8"2 1/8"#11-Black Oxide135°£10.77
A16W7960.1910.562"1.071"#11-Black Oxide135°£8.57
B16W7800.3750.312"3/4"-3/8"Black Oxide135°£28.79
A16W8030.3750.562"1.071"-3/8"Black Oxide135°£23.61
C16W8250.3751 1/8"2 1/8"-3/8"Black Oxide135°£33.82
WINTERS INSTRUMENTS -

Threaded Shank Drill Bits

StyleModelMPNPrice (inc. VAT)
A953CO27LS953CO27LS£5.81
B953HS27SS953HS27SS£4.99
APPROVED VENDOR -

Threaded Shank Drill

StyleModelDecimal EquivalentFlute LengthOverall LengthFractional SizeWire SizeMaterialFinishPoint AnglePrice (inc. VAT)
A16W7150.09380.562"1"0.094"--Black Oxide135°£7.57
B16W7380.0987/8"2 1/8"-#40-Black Oxide135°£7.05
A16W7160.0980.562"1"-#40-Black Oxide135°£7.28
A16W7340.250.562"1 1/4"1/4"--Black Oxide135°£6.94
C16W6950.1250.312"1/2"1/8"--Black Oxide135°£7.32
A16W7180.1250.562"1"1/8"--Black Oxide135°£5.52
B16W7450.1591 1/8"2 1/8"-#21-Black Oxide135°£6.82
C16W7020.1610.312"0.562"-#20-Black Oxide135°£6.94
A16W7270.1850.562"1 1/4"-#13-Black Oxide135°£8.02
A16W7360.3750.562"1 1/4"3/8"--Black Oxide135°£21.37
C16W7140.3750.312"3/4"3/8"--Black Oxide135°£11.44
A16W7170.10940.562"1"0.109"--Black Oxide135°£7.16
C16W6960.12850.312"0.562"---Black Oxide135°£7.67
A16W7190.12850.562"1 1/4"-#30-Black Oxide135°£5.63
B16W7440.15621 1/8"2 1/8"0.156"--Black Oxide135°£7.25
B16W7500.18751 1/8"2 1/8"3/16"-SteelBlack Oxide135°-
RFQ
C16W7060.18750.312"0.562"0.188"--Black Oxide135°£7.91
C16W7110.21880.312"5/8"0.219"--Black Oxide135°£7.25
PAN AMERICAN TOOL -

Threaded Shank Drill Bits

StyleModelCutting DirectionAircraft DrillSpiral DirectionPrice (inc. VAT)
A10-230---£8.17
A10-030Right HandNot RatedRight Hand£7.17
OZ LIFTING PRODUCTS -

Threaded Shank Drill Bit, #20 Bit Size, 135 Deg. Point Angle, High Speed Steel

ModelItemPrice (inc. VAT)
953HS20SSCH6TJN£4.75
FABORY -

Threaded Shank Drill Bit, #10 Bit Size, 135 Deg. Point Angle, High Speed Steel

ModelItemPrice (inc. VAT)
953HS10LSCH6TJM£6.31
APPROVED VENDOR -

Thrd Shank Drill Bit 3/16 L 1 1/4 M2

ModelItemPrice (inc. VAT)
16W728AA8AAP£5.72

Frequently Asked Questions

What is the difference between a drill bit and a twist drill?

A drill bit typically lacks flutes and maintains a flat profile. Conversely, a twist drill bit features flutes spiralling around the round shaft. The flutes aid in chip removal during drilling operations.

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