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Brunner & Lay H-Thread Steel Rock Drill Bit - LH57SH Steel Bits are used in extremely soft grounds for shallow or casual drilling, and in tapping of steel mill blast furnaces. Diameter: 2-1/4" All steel bit, no carbide H-Thread Cross-bit configuration Bit allows air through to keep hole free of debris Call 800-706-4363 for lengths/sizes/styles not listed or any other questions.
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🇺🇸 Ship from USA · On Agora since 2026
$11.49