Abstract: A connection fastener in which a plurality of fasteners for a driving tool are connected includes a connection band which detachably connects sleeves holding the fasteners one by one. A gap is formed between the sleeve and the fastener so as to face a toe side of the fastener.

Abstract: An object of the invention is to provide a coated cutting tool whose tool life can be extended by having excellent wear resistance and fracture resistance. The coated cutting tool includes: a substrate; and a coating layer formed on a surface of the substrate, in which the coating layer includes a lower layer, an intermediate layer, and an upper layer in this order from a substrate side to a surface side of the coating layer, the lower layer includes one or more Ti compound layers formed of a specific Ti compound, the intermediate layer contains TiCNO, TiCO, or TiAlCNO, the upper layer contains ?-type Al2O3, an average thickness of the lower layer is 2.0 ?m or more and 8.0 ?m or less, an average thickness of the intermediate layer is 0.5 ?m or more and 2.0 ?m or less and is 10% or more and 20% or less of an average thickness of the entire coating layer, an average thickness of the upper layer is 0.8 ?m or more and 6.

Abstract: An object of the invention is to provide a coated cutting tool whose tool life can be extended by having excellent wear resistance and fracture resistance. The coated cutting tool includes: a substrate; and a coating layer formed on a surface of the substrate, in which the coating layer includes a lower layer, an intermediate layer, and an upper layer in this order from a substrate side to a surface side of the coating layer, the lower layer includes one or more Ti compound layers formed of a specific Ti compound, the intermediate layer contains TiCNO, TiCO, or TiAlCNO, the upper layer contains ?-type Al2O3, an average thickness of the lower layer is 2.0 ?m or more and 8.0 ?m or less, an average thickness of the intermediate layer is 0.5 ?m or more and 2.0 ?m or less and is 10% or more and 20% or less of a thickness of the entire coating layer, an average thickness of the upper layer is 0.8 ?m or more and 6.

Abstract: A covered cutting tool having a cemented carbide and a covering layer formed on the cemented carbide. The covered cutting tool includes a rake face, a flank face, and a cutting edge line part located between the rake face and the flank face. The coating layer includes a compound layer containing a compound having a composition represented by (AlxTi1-x)N. The average thickness T1 of the covering layer in the cutting edge line part and the average thickness T2 of the coating layer in the rake face at a position 2 mm or more away from the cutting edge line part toward the rake face are within specific ranges and satisfy T2<T1. The residual stress S1 of the cemented carbide in the cutting edge line part and the residual stress S2 of the cemented carbide in the rake face at a position 2 mm or more away from the cutting edge line part toward the rake face satisfy S2<S1.

Abstract: There is provided an apparatus including a chip containing metal bodies capable of exciting localized surface plasmon resonance at a first surface, and an analyzer unit that performs a scan of the first surface of the chip, in a state where the first surface is in contact with a sample, with a laser in at least a one-dimensional direction and records scattered light, which has been enhanced at the first surface, in association with the scan. The chip includes a substrate, a first layer where concave and convex structures are repeatedly provided on the first surface of the substrate; and a second layer that contains the metal bodies and is provided via the first layer.

Abstract: Provided is a coated cutting tool of long tool life and that affords superior machined surface quality. A coated cutting tool includes a substrate, and a coating layer formed on the substrate. The coated cutting tool includes at least one flank face, at least one rake face, and a honing section rounded and connecting the flank face and the rake face. The coating layer includes a lower layer, an intermediate layer and an upper layer, in this order from the side of the substrate. The lower layer is composed of one, or two or more Ti compound layers made up of a Ti compound of Ti and at least one element selected from the group consisting of C, N, O and B. The intermediate layer contains ?-type Al2O3. The upper layer contains a compound represented by following formula (1): Ti(C1-x-yNxOy) (1). An average thickness of the coating layer on the flank face side is 5.0 ?m more and 30.0 ?m or less.

Abstract: A coated cutting tool comprising: a substrate; and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises a lower layer, an intermediate layer and an upper layer in this order from the substrate side; the lower layer comprises one or more Ti compound layers containing a Ti compound of Ti and an element of at least one kind selected from the group consisting of C, N, O and B; and the intermediate layer comprises an ?-Al2O3 layer containing ?-Al2O3; and the upper layer comprises a TiCN layer containing TiCN; an average thickness of the coating layer is within a specific range, and an average thickness of the upper layer is within a specific range; in a cross section perpendicular to the surface of the substrate, the grains in the TiCN layer constituting the upper layer satisfies a specific condition.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein the coating layer includes a predetermined lower layer, an intermediate layer comprising ?-Al2O3, and an upper layer comprising TiCN; the lower layer, intermediate layer, and upper layer have predetermined average thicknesses; a condition represented by formula (1) [RSA?40 (1)] is satisfied; the interface of the intermediate layer on the upper layer side has a kurtosis roughness (Sku) of more than 3.0; the interface of the intermediate layer on the upper layer side has a skewness roughness (Ssk) of less than 0; and a condition represented by formula (2) [RSB?40 (2)] is satisfied.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises a lower layer, an intermediate layer, and an upper layer in this order from the substrate side; the lower layer comprises one or two or more Ti compound layers containing a Ti compound of Ti and an element of at least one kind selected from the group consisting of C, N, O and B, the intermediate layer comprises an ?-Al2O3 layer containing ?-Al2O3, and the upper layer comprises a TiCNO layer containing TiCNO; an average thickness of the coating layer is 5.0 ?m or more and 30.0 ?m or less; in a specific first cross section, a misorientation A satisfies a specific condition; and in a specific second cross section, a misorientation B satisfies a specific condition.

Abstract: An object of the invention is to provide a coated cutting tool whose tool life can be extended by having excellent wear resistance and fracture resistance. The coated cutting tool includes: a substrate; and a coating layer formed on a surface of the substrate, in which the coating layer includes a lower layer, an intermediate layer, and an upper layer in this order from a substrate side to a surface side of the coating layer, the lower layer includes one or more Ti compound layers formed of a specific Ti compound, the intermediate layer contains TiCNO, TiCO, or TiAlCNO, the upper layer contains ?-type Al2O3, an average thickness of the lower layer is 2.0 ?m or more and 8.0 ?m or less, an average thickness of the intermediate layer is 0.5 ?m or more and 2.0 ?m or less and is 10% or more and 20% or less of a thickness of the entire coating layer, an average thickness of the upper layer is 0.8 ?m or more and 6.

Abstract: An object of the invention is to provide a coated cutting tool whose tool life can be extended by having excellent wear resistance and fracture resistance. The coated cutting tool includes: a substrate; and a coating layer formed on a surface of the substrate, in which the coating layer includes a lower layer, an intermediate layer, and an upper layer in this order from a substrate side to a surface side of the coating layer, the lower layer includes one or more Ti compound layers formed of a specific Ti compound, the intermediate layer contains TiCNO, TiCO, or TiAlCNO, the upper layer contains ?-type Al2O3, an average thickness of the lower layer is 2.0 ?m or more and 8.0 ?m or less, an average thickness of the intermediate layer is 0.5 ?m or more and 2.0 ?m or less and is 10% or more and 20% or less of an average thickness of the entire coating layer, an average thickness of the upper layer is 0.8 ?m or more and 6.

Abstract: A cutting tool comprising a substrate and a coating layer formed on the substrate, wherein the coating layer has, from a side closer to the substrate, a lower layer that contains a compound having a composition represented by (AlxTi1-x)N, and an upper layer that is formed on the lower layer and contains a compound having a composition represented by (AlyTi1-yN; the average thickness of the lower layer is 1.0 ?m or more and 10.0 ?m or less; the average thickness of the upper layer is 1.0 ?m or more and 10.0 ?m or less; and an area ratio GOSi of crystal grains having a GOS value of 1 degree or lower in the lower layer and an area ratio GOSs of crystal grains having a GOS value of 1 degree or lower in the upper layer satisfy GOSi<GOSs.

Abstract: A driving tool drives a fastener by a striking mechanism. The driving tool includes a trigger, a contact arm, a contact lever and a regulator. The trigger and the contact arm receive manipulations which operate the striking mechanism. The contact lever is movable according to operations of the trigger and the contact arm and switches operating states of the striking mechanism. The regulator regulates a movement of the contact lever according to a movement of the contact arm in which another manipulation is released. The regulator operates with a fluid for operating the striking mechanism, and keeps the contact lever at an operation standby position where the contact lever is operated by manipulation of the contact arm for a predetermined time period by controlling a flow rate of the fluid.

Abstract: [Problem] To provide a coated cutting tool having excellent fracture resistance and thus allowing for the extension of tool life. [Means for Resolution] A covered cutting tool having a cemented carbide and a covering layer formed on the cemented carbide. The covered cutting tool includes a rake face, a flank face, and a cutting edge line part located between the rake face and the flank face. The coating layer includes a compound layer containing a compound having a composition represented by (AlxTi1-x)N. The average thickness T1 of the covering layer in the cutting edge line part and the average thickness T2 of the coating layer in the rake face at a position 2 mm or more away from the cutting edge line part toward the rake face are within specific ranges and satisfy T2 <T1.

Abstract: A driving tool drives a fastener by a striking mechanism. The driving tool includes a trigger, a contact arm, a contact lever and a regulator. The trigger and the contact arm receive manipulations which operate the striking mechanism. The contact lever is movable according to operations of the trigger and the contact arm and switches operating states of the striking mechanism. The regulator regulates a movement of the contact lever according to a movement of the contact arm in which another manipulation is released. The regulator operates with a fluid for operating the striking mechanism, and keeps the contact lever at an operation standby position where the contact lever is operated by manipulation of the contact arm for a predetermined time period by controlling a flow rate of the fluid.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises a lower layer, an intermediate layer and an upper layer, the lower layer, the intermediate layer and the upper layer being laminated in order from the substrate side toward a surface side of the coating layer; the lower layer comprises a Ti compound layer; the intermediate layer contains ?-Al2O3; the upper layer contains TiCN; an average thickness of each of the lower layer, the intermediate layer, and the upper layer is within a specific range; a ratio of a length of ?3 grain boundaries to a total 100% length of all grain boundaries in a specific region of the upper layer is from 20% or more to 60% or less; and a ratio of (111)-oriented grains in the upper layer is 30 area % or more.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein: the coating layer comprises a lower layer including at least one Ti compound layer containing a specific Ti compound, an intermediate layer including an ?-type Al2O3 layer containing ?-type Al2O3, and an upper layer including a TiCN layer containing TiCN; the respective layers are laminated in this order from the substrate side toward a surface side of the coating layer; an average thickness of the coating layer is from 5.0 ?m or more to 30.

Abstract: A cutting tool comprising a substrate and a coating layer formed on the substrate, wherein the coating layer has, from a side closer to the substrate, a lower layer that contains a compound having a composition represented by (AlxTi1-x)N, and an upper layer that is formed on the lower layer and contains a compound having a composition represented by (AlyTi1-yN, the average thickness of the lower layer is 1.0 ?m or more and 10.0 ?m or less; the average thickness of the upper layer is 1.0 ?m or more and 10.0 ?m or less; and an area ratio GOSi of crystal grains having a GOS value of 1 degree or lower in the lower layer and an area ratio GOSs of crystal grains having a GOS value of 1 degree or lower in the upper layer satisfy GOS<GOSs.

Abstract: A coated cutting tool comprising a substrate and a coating layer formed on a surface of the substrate, wherein the coating layer includes a predetermined lower layer, an intermediate layer comprising ?-Al2O3, and an upper layer comprising TiCN; the lower layer, intermediate layer, and upper layer have predetermined average thicknesses; a condition represented by formula (1) [RSA?40 (1)] is satisfied; the interface of the intermediate layer on the upper layer side has a kurtosis roughness (Sku) of more than 3.0; the interface of the intermediate layer on the upper layer side has a skewness roughness (Ssk) of less than 0; and a condition represented by formula (2) [RSB?40 (2)] is satisfied.

Abstract: A coated cutting tool comprising a cemented carbide and a coating layer formed on a surface of the cemented carbide, wherein: an average thickness of the coating layer is from 5.0 ?m or more to 30.0 ?m or less; and in the cemented carbide, when regarding a region thereof which ranges from the surface of the cemented carbide to a depth of 20.0 ?m in a direction opposite to the coating layer as a surface region, and also regarding a region thereof on a side opposite to the coating layer across the surface region as an inner region, an average value of KAM values in the surface region KAMs and an average value of KAM values in the inner region KAMi satisfy a condition represented by formula (1) below. 0.00°?|KAMs?KAMi|?0.